221236912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 160

約数和(自身を含む): 534340800

約数和(自身を除く): 313103888

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 37, 38, 52, 68, 74, 76, 89, 104, 136, 148, 152, 178, 208, 221, 247, 272, 296, 304, 323, 356, 442, 481, 494, 592, 629, 646, 703, 712, 884, 962, 988, 1157, 1258, 1292, 1406, 1424, 1513, 1691, 1768, 1924, 1976, 2314, 2516, 2584, 2812, 3026, 3293, 3382, 3536, 3848, 3952, 4199, 4628, 5032, 5168, 5624, 6052, 6586, 6764, 7696, 8177, 8398, 9139, 9256, 10064, 11248, 11951, 12104, 13172, 13528, 16354, 16796, 18278, 18512, 19669, 21983, 23902, 24208, 26344, 27056, 28747, 32708, 33592, 36556, 39338, 42809, 43966, 47804, 52688, 55981, 57494, 62567, 65416, 67184, 73112, 78676, 85618, 87932, 95608, 111962, 114988, 125134, 130832, 146224, 155363, 157352, 171236, 175864, 191216, 223924, 229976, 250268, 310726, 314704, 342472, 351728, 373711, 447848, 459952, 500536, 621452, 684944, 727753, 747422, 813371, 895696, 1001072, 1063639, 1242904, 1455506, 1494844, 1626742, 2127278, 2485808, 2911012, 2989688, 3253484, 4254556, 5822024, 5979376, 6506968, 8509112, 11644048, 13013936, 13827307, 17018224, 27654614, 55309228, 110618456, 221236912]

約数ペア:

[(1, 221236912), (2, 110618456), (4, 55309228), (8, 27654614), (13, 17018224), (16, 13827307), (17, 13013936), (19, 11644048), (26, 8509112), (34, 6506968), (37, 5979376), (38, 5822024), (52, 4254556), (68, 3253484), (74, 2989688), (76, 2911012), (89, 2485808), (104, 2127278), (136, 1626742), (148, 1494844), (152, 1455506), (178, 1242904), (208, 1063639), (221, 1001072), (247, 895696), (272, 813371), (296, 747422), (304, 727753), (323, 684944), (356, 621452), (442, 500536), (481, 459952), (494, 447848), (592, 373711), (629, 351728), (646, 342472), (703, 314704), (712, 310726), (884, 250268), (962, 229976), (988, 223924), (1157, 191216), (1258, 175864), (1292, 171236), (1406, 157352), (1424, 155363), (1513, 146224), (1691, 130832), (1768, 125134), (1924, 114988), (1976, 111962), (2314, 95608), (2516, 87932), (2584, 85618), (2812, 78676), (3026, 73112), (3293, 67184), (3382, 65416), (3536, 62567), (3848, 57494), (3952, 55981), (4199, 52688), (4628, 47804), (5032, 43966), (5168, 42809), (5624, 39338), (6052, 36556), (6586, 33592), (6764, 32708), (7696, 28747), (8177, 27056), (8398, 26344), (9139, 24208), (9256, 23902), (10064, 21983), (11248, 19669), (11951, 18512), (12104, 18278), (13172, 16796), (13528, 16354)]