77731888

素因数分解:

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

素因数の和:159

約数の個数: 120

約数和(自身を含む): 183805200

約数和(自身を除く): 106073312

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 89, 104, 136, 152, 169, 178, 208, 221, 247, 272, 304, 323, 338, 356, 442, 494, 646, 676, 712, 884, 988, 1157, 1292, 1352, 1424, 1513, 1691, 1768, 1976, 2314, 2584, 2704, 2873, 3026, 3211, 3382, 3536, 3952, 4199, 4628, 5168, 5746, 6052, 6422, 6764, 8398, 9256, 11492, 12104, 12844, 13528, 15041, 16796, 18512, 19669, 21983, 22984, 24208, 25688, 27056, 28747, 30082, 33592, 39338, 43966, 45968, 51376, 54587, 57494, 60164, 67184, 78676, 87932, 109174, 114988, 120328, 157352, 175864, 218348, 229976, 240656, 255697, 285779, 314704, 351728, 373711, 436696, 459952, 511394, 571558, 747422, 873392, 1022788, 1143116, 1494844, 2045576, 2286232, 2989688, 4091152, 4572464, 4858243, 5979376, 9716486, 19432972, 38865944, 77731888]

約数ペア:

[(1, 77731888), (2, 38865944), (4, 19432972), (8, 9716486), (13, 5979376), (16, 4858243), (17, 4572464), (19, 4091152), (26, 2989688), (34, 2286232), (38, 2045576), (52, 1494844), (68, 1143116), (76, 1022788), (89, 873392), (104, 747422), (136, 571558), (152, 511394), (169, 459952), (178, 436696), (208, 373711), (221, 351728), (247, 314704), (272, 285779), (304, 255697), (323, 240656), (338, 229976), (356, 218348), (442, 175864), (494, 157352), (646, 120328), (676, 114988), (712, 109174), (884, 87932), (988, 78676), (1157, 67184), (1292, 60164), (1352, 57494), (1424, 54587), (1513, 51376), (1691, 45968), (1768, 43966), (1976, 39338), (2314, 33592), (2584, 30082), (2704, 28747), (2873, 27056), (3026, 25688), (3211, 24208), (3382, 22984), (3536, 21983), (3952, 19669), (4199, 18512), (4628, 16796), (5168, 15041), (5746, 13528), (6052, 12844), (6422, 12104), (6764, 11492), (8398, 9256)]