655995792

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{857}}^1$

素因数の和:1336

約数の個数: 80

約数和(自身を含む): 1746531072

約数和(自身を除く): 1090535280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 431, 444, 592, 857, 862, 888, 1293, 1714, 1724, 1776, 2571, 2586, 3428, 3448, 5142, 5172, 6856, 6896, 10284, 10344, 13712, 15947, 20568, 20688, 31709, 31894, 41136, 47841, 63418, 63788, 95127, 95682, 126836, 127576, 190254, 191364, 253672, 255152, 369367, 380508, 382728, 507344, 738734, 761016, 765456, 1108101, 1477468, 1522032, 2216202, 2954936, 4432404, 5909872, 8864808, 13666579, 17729616, 27333158, 40999737, 54666316, 81999474, 109332632, 163998948, 218665264, 327997896, 655995792]

約数ペア:

[(1, 655995792), (2, 327997896), (3, 218665264), (4, 163998948), (6, 109332632), (8, 81999474), (12, 54666316), (16, 40999737), (24, 27333158), (37, 17729616), (48, 13666579), (74, 8864808), (111, 5909872), (148, 4432404), (222, 2954936), (296, 2216202), (431, 1522032), (444, 1477468), (592, 1108101), (857, 765456), (862, 761016), (888, 738734), (1293, 507344), (1714, 382728), (1724, 380508), (1776, 369367), (2571, 255152), (2586, 253672), (3428, 191364), (3448, 190254), (5142, 127576), (5172, 126836), (6856, 95682), (6896, 95127), (10284, 63788), (10344, 63418), (13712, 47841), (15947, 41136), (20568, 31894), (20688, 31709)]