1997690976

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{187471}}^1$

素因数の和:187524

約数の個数: 72

約数和(自身を含む): 5834503584

約数和(自身を除く): 3836812608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 2664, 3552, 5328, 10656, 187471, 374942, 562413, 749884, 1124826, 1499768, 1687239, 2249652, 2999536, 3374478, 4499304, 5999072, 6748956, 6936427, 8998608, 13497912, 13872854, 17997216, 20809281, 26995824, 27745708, 41618562, 53991648, 55491416, 62427843, 83237124, 110982832, 124855686, 166474248, 221965664, 249711372, 332948496, 499422744, 665896992, 998845488, 1997690976]

約数ペア:

[(1, 1997690976), (2, 998845488), (3, 665896992), (4, 499422744), (6, 332948496), (8, 249711372), (9, 221965664), (12, 166474248), (16, 124855686), (18, 110982832), (24, 83237124), (32, 62427843), (36, 55491416), (37, 53991648), (48, 41618562), (72, 27745708), (74, 26995824), (96, 20809281), (111, 17997216), (144, 13872854), (148, 13497912), (222, 8998608), (288, 6936427), (296, 6748956), (333, 5999072), (444, 4499304), (592, 3374478), (666, 2999536), (888, 2249652), (1184, 1687239), (1332, 1499768), (1776, 1124826), (2664, 749884), (3552, 562413), (5328, 374942), (10656, 187471)]