128321004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{218233}}^1$

素因数の和:218254

約数の個数: 36

約数和(自身を含む): 348301464

約数和(自身を除く): 219980460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 218233, 436466, 654699, 872932, 1309398, 1527631, 2618796, 3055262, 4582893, 6110524, 9165786, 10693417, 18331572, 21386834, 32080251, 42773668, 64160502, 128321004]

約数ペア:

[(1, 128321004), (2, 64160502), (3, 42773668), (4, 32080251), (6, 21386834), (7, 18331572), (12, 10693417), (14, 9165786), (21, 6110524), (28, 4582893), (42, 3055262), (49, 2618796), (84, 1527631), (98, 1309398), (147, 872932), (196, 654699), (294, 436466), (588, 218233)]