628803344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2251}}^1$

素因数の和:2368

約数の個数: 80

約数和(自身を含む): 1407409920

約数和(自身を除く): 778606576

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 79, 104, 136, 158, 208, 221, 272, 316, 442, 632, 884, 1027, 1264, 1343, 1768, 2054, 2251, 2686, 3536, 4108, 4502, 5372, 8216, 9004, 10744, 16432, 17459, 18008, 21488, 29263, 34918, 36016, 38267, 58526, 69836, 76534, 117052, 139672, 153068, 177829, 234104, 279344, 306136, 355658, 468208, 497471, 612272, 711316, 994942, 1422632, 1989884, 2311777, 2845264, 3023093, 3979768, 4623554, 6046186, 7959536, 9247108, 12092372, 18494216, 24184744, 36988432, 39300209, 48369488, 78600418, 157200836, 314401672, 628803344]

約数ペア:

[(1, 628803344), (2, 314401672), (4, 157200836), (8, 78600418), (13, 48369488), (16, 39300209), (17, 36988432), (26, 24184744), (34, 18494216), (52, 12092372), (68, 9247108), (79, 7959536), (104, 6046186), (136, 4623554), (158, 3979768), (208, 3023093), (221, 2845264), (272, 2311777), (316, 1989884), (442, 1422632), (632, 994942), (884, 711316), (1027, 612272), (1264, 497471), (1343, 468208), (1768, 355658), (2054, 306136), (2251, 279344), (2686, 234104), (3536, 177829), (4108, 153068), (4502, 139672), (5372, 117052), (8216, 76534), (9004, 69836), (10744, 58526), (16432, 38267), (17459, 36016), (18008, 34918), (21488, 29263)]