642276472

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{983}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 1300769280

約数和(自身を除く): 658492808

約数列:

[1, 2, 4, 8, 23, 46, 53, 67, 92, 106, 134, 184, 212, 268, 424, 536, 983, 1219, 1541, 1966, 2438, 3082, 3551, 3932, 4876, 6164, 7102, 7864, 9752, 12328, 14204, 22609, 28408, 45218, 52099, 65861, 81673, 90436, 104198, 131722, 163346, 180872, 208396, 263444, 326692, 416792, 526888, 653384, 1198277, 1514803, 2396554, 3029606, 3490633, 4793108, 6059212, 6981266, 9586216, 12118424, 13962532, 27925064, 80284559, 160569118, 321138236, 642276472]

約数ペア:

[(1, 642276472), (2, 321138236), (4, 160569118), (8, 80284559), (23, 27925064), (46, 13962532), (53, 12118424), (67, 9586216), (92, 6981266), (106, 6059212), (134, 4793108), (184, 3490633), (212, 3029606), (268, 2396554), (424, 1514803), (536, 1198277), (983, 653384), (1219, 526888), (1541, 416792), (1966, 326692), (2438, 263444), (3082, 208396), (3551, 180872), (3932, 163346), (4876, 131722), (6164, 104198), (7102, 90436), (7864, 81673), (9752, 65861), (12328, 52099), (14204, 45218), (22609, 28408)]