291226832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1249}}^1$

素因数の和:1348

約数の個数: 80

約数和(自身を含む): 651000000

約数和(自身を除く): 359773168

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 59, 76, 104, 118, 152, 208, 236, 247, 304, 472, 494, 767, 944, 988, 1121, 1249, 1534, 1976, 2242, 2498, 3068, 3952, 4484, 4996, 6136, 8968, 9992, 12272, 14573, 16237, 17936, 19984, 23731, 29146, 32474, 47462, 58292, 64948, 73691, 94924, 116584, 129896, 147382, 189848, 233168, 259792, 294764, 308503, 379696, 589528, 617006, 957983, 1179056, 1234012, 1400129, 1915966, 2468024, 2800258, 3831932, 4936048, 5600516, 7663864, 11201032, 15327728, 18201677, 22402064, 36403354, 72806708, 145613416, 291226832]

約数ペア:

[(1, 291226832), (2, 145613416), (4, 72806708), (8, 36403354), (13, 22402064), (16, 18201677), (19, 15327728), (26, 11201032), (38, 7663864), (52, 5600516), (59, 4936048), (76, 3831932), (104, 2800258), (118, 2468024), (152, 1915966), (208, 1400129), (236, 1234012), (247, 1179056), (304, 957983), (472, 617006), (494, 589528), (767, 379696), (944, 308503), (988, 294764), (1121, 259792), (1249, 233168), (1534, 189848), (1976, 147382), (2242, 129896), (2498, 116584), (3068, 94924), (3952, 73691), (4484, 64948), (4996, 58292), (6136, 47462), (8968, 32474), (9992, 29146), (12272, 23731), (14573, 19984), (16237, 17936)]