318228359

素因数分解:

${\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 348203520

約数和(自身を除く): 29975161

約数列:

[1, 19, 59, 67, 223, 361, 1121, 1273, 3953, 4237, 13157, 14941, 21299, 24187, 75107, 80503, 249983, 283879, 881519, 1427033, 4749677, 5393701, 16748861, 318228359]

約数ペア:

[(1, 318228359), (19, 16748861), (59, 5393701), (67, 4749677), (223, 1427033), (361, 881519), (1121, 283879), (1273, 249983), (3953, 80503), (4237, 75107), (13157, 24187), (14941, 21299)]