1997890848

素因数分解:

$2^5\times 3^2\times {\mathrm{127}}^1\times {\mathrm{54623}}^1$

素因数の和:54766

約数の個数: 72

約数和(自身を含む): 5726343168

約数和(自身を除く): 3728452320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 127, 144, 254, 288, 381, 508, 762, 1016, 1143, 1524, 2032, 2286, 3048, 4064, 4572, 6096, 9144, 12192, 18288, 36576, 54623, 109246, 163869, 218492, 327738, 436984, 491607, 655476, 873968, 983214, 1310952, 1747936, 1966428, 2621904, 3932856, 5243808, 6937121, 7865712, 13874242, 15731424, 20811363, 27748484, 41622726, 55496968, 62434089, 83245452, 110993936, 124868178, 166490904, 221987872, 249736356, 332981808, 499472712, 665963616, 998945424, 1997890848]

約数ペア:

[(1, 1997890848), (2, 998945424), (3, 665963616), (4, 499472712), (6, 332981808), (8, 249736356), (9, 221987872), (12, 166490904), (16, 124868178), (18, 110993936), (24, 83245452), (32, 62434089), (36, 55496968), (48, 41622726), (72, 27748484), (96, 20811363), (127, 15731424), (144, 13874242), (254, 7865712), (288, 6937121), (381, 5243808), (508, 3932856), (762, 2621904), (1016, 1966428), (1143, 1747936), (1524, 1310952), (2032, 983214), (2286, 873968), (3048, 655476), (4064, 491607), (4572, 436984), (6096, 327738), (9144, 218492), (12192, 163869), (18288, 109246), (36576, 54623)]