353995745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 459406080

約数和(自身を除く): 105410335

約数列:

[1, 5, 19, 53, 95, 167, 265, 421, 835, 1007, 2105, 3173, 5035, 7999, 8851, 15865, 22313, 39995, 44255, 70307, 111565, 168169, 351535, 423947, 840845, 1335833, 2119735, 3726271, 6679165, 18631355, 70799149, 353995745]

約数ペア:

[(1, 353995745), (5, 70799149), (19, 18631355), (53, 6679165), (95, 3726271), (167, 2119735), (265, 1335833), (421, 840845), (835, 423947), (1007, 351535), (2105, 168169), (3173, 111565), (5035, 70307), (7999, 44255), (8851, 39995), (15865, 22313)]