420072172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{16189}}^1$

素因数の和:16705

約数の個数: 24

約数和(自身を含む): 793310000

約数和(自身を除く): 373237828

約数列:

[1, 2, 4, 13, 26, 52, 499, 998, 1996, 6487, 12974, 16189, 25948, 32378, 64756, 210457, 420914, 841828, 8078311, 16156622, 32313244, 105018043, 210036086, 420072172]

約数ペア:

[(1, 420072172), (2, 210036086), (4, 105018043), (13, 32313244), (26, 16156622), (52, 8078311), (499, 841828), (998, 420914), (1996, 210457), (6487, 64756), (12974, 32378), (16189, 25948)]