78958984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1358

約数の個数: 64

約数和(自身を含む): 173376000

約数和(自身を除く): 94417016

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 403, 494, 589, 806, 988, 1178, 1289, 1612, 1976, 2356, 2578, 3224, 4712, 5156, 7657, 10312, 15314, 16757, 24491, 30628, 33514, 39959, 48982, 61256, 67028, 79918, 97964, 134056, 159836, 195928, 318383, 319672, 519467, 636766, 759221, 1038934, 1273532, 1518442, 2077868, 2547064, 3036884, 4155736, 6073768, 9869873, 19739746, 39479492, 78958984]

約数ペア:

[(1, 78958984), (2, 39479492), (4, 19739746), (8, 9869873), (13, 6073768), (19, 4155736), (26, 3036884), (31, 2547064), (38, 2077868), (52, 1518442), (62, 1273532), (76, 1038934), (104, 759221), (124, 636766), (152, 519467), (247, 319672), (248, 318383), (403, 195928), (494, 159836), (589, 134056), (806, 97964), (988, 79918), (1178, 67028), (1289, 61256), (1612, 48982), (1976, 39959), (2356, 33514), (2578, 30628), (3224, 24491), (4712, 16757), (5156, 15314), (7657, 10312)]