388264630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{69457}}^1$

素因数の和:69520

約数の個数: 32

約数和(自身を含む): 770150304

約数和(自身を除く): 381885674

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 69457, 138914, 347285, 694570, 902941, 1805882, 2986651, 4514705, 5973302, 9029410, 14933255, 29866510, 38826463, 77652926, 194132315, 388264630]

約数ペア:

[(1, 388264630), (2, 194132315), (5, 77652926), (10, 38826463), (13, 29866510), (26, 14933255), (43, 9029410), (65, 5973302), (86, 4514705), (130, 2986651), (215, 1805882), (430, 902941), (559, 694570), (1118, 347285), (2795, 138914), (5590, 69457)]