42640248

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{253811}}^1$

素因数の和:253827

約数の個数: 32

約数和(自身を含む): 121829760

約数和(自身を除く): 79189512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 253811, 507622, 761433, 1015244, 1522866, 1776677, 2030488, 3045732, 3553354, 5330031, 6091464, 7106708, 10660062, 14213416, 21320124, 42640248]

約数ペア:

[(1, 42640248), (2, 21320124), (3, 14213416), (4, 10660062), (6, 7106708), (7, 6091464), (8, 5330031), (12, 3553354), (14, 3045732), (21, 2030488), (24, 1776677), (28, 1522866), (42, 1015244), (56, 761433), (84, 507622), (168, 253811)]