489328528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 1047988480

約数和(自身を除く): 558659952

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 97, 104, 158, 194, 208, 307, 316, 388, 614, 632, 776, 1027, 1228, 1261, 1264, 1552, 2054, 2456, 2522, 3991, 4108, 4912, 5044, 7663, 7982, 8216, 10088, 15326, 15964, 16432, 20176, 24253, 29779, 30652, 31928, 48506, 59558, 61304, 63856, 97012, 99619, 119116, 122608, 194024, 199238, 238232, 315289, 387127, 388048, 398476, 476464, 630578, 774254, 796952, 1261156, 1548508, 1593904, 2352541, 2522312, 3097016, 4705082, 5044624, 6194032, 9410164, 18820328, 30583033, 37640656, 61166066, 122332132, 244664264, 489328528]

約数ペア:

[(1, 489328528), (2, 244664264), (4, 122332132), (8, 61166066), (13, 37640656), (16, 30583033), (26, 18820328), (52, 9410164), (79, 6194032), (97, 5044624), (104, 4705082), (158, 3097016), (194, 2522312), (208, 2352541), (307, 1593904), (316, 1548508), (388, 1261156), (614, 796952), (632, 774254), (776, 630578), (1027, 476464), (1228, 398476), (1261, 388048), (1264, 387127), (1552, 315289), (2054, 238232), (2456, 199238), (2522, 194024), (3991, 122608), (4108, 119116), (4912, 99619), (5044, 97012), (7663, 63856), (7982, 61304), (8216, 59558), (10088, 48506), (15326, 31928), (15964, 30652), (16432, 29779), (20176, 24253)]