218017331

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 266112000

約数和(自身を除く): 48094669

約数列:

[1, 7, 29, 59, 109, 167, 203, 413, 763, 1169, 1711, 3161, 4843, 6431, 9853, 11977, 18203, 22127, 33901, 45017, 68971, 127421, 186499, 285737, 527887, 1073977, 1305493, 2000159, 3695209, 7517839, 31145333, 218017331]

約数ペア:

[(1, 218017331), (7, 31145333), (29, 7517839), (59, 3695209), (109, 2000159), (167, 1305493), (203, 1073977), (413, 527887), (763, 285737), (1169, 186499), (1711, 127421), (3161, 68971), (4843, 45017), (6431, 33901), (9853, 22127), (11977, 18203)]