397718398

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2693}}^1$

素因数の和:2857

約数の個数: 48

約数和(自身を含む): 762876144

約数和(自身を除く): 365157746

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 137, 154, 274, 539, 959, 1078, 1507, 1918, 2693, 3014, 5386, 6713, 10549, 13426, 18851, 21098, 29623, 37702, 59246, 73843, 131957, 147686, 207361, 263914, 368941, 414722, 737882, 1451527, 2582587, 2903054, 4058351, 5165174, 8116702, 18078109, 28408457, 36156218, 56816914, 198859199, 397718398]

約数ペア:

[(1, 397718398), (2, 198859199), (7, 56816914), (11, 36156218), (14, 28408457), (22, 18078109), (49, 8116702), (77, 5165174), (98, 4058351), (137, 2903054), (154, 2582587), (274, 1451527), (539, 737882), (959, 414722), (1078, 368941), (1507, 263914), (1918, 207361), (2693, 147686), (3014, 131957), (5386, 73843), (6713, 59246), (10549, 37702), (13426, 29623), (18851, 21098)]