397702786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2801}}^1$

素因数の和:2986

約数の個数: 32

約数和(自身を含む): 662796288

約数和(自身を除く): 265093502

約数列:

[1, 2, 13, 26, 43, 86, 127, 254, 559, 1118, 1651, 2801, 3302, 5461, 5602, 10922, 36413, 70993, 72826, 120443, 141986, 240886, 355727, 711454, 1565759, 3131518, 4624451, 9248902, 15296261, 30592522, 198851393, 397702786]

約数ペア:

[(1, 397702786), (2, 198851393), (13, 30592522), (26, 15296261), (43, 9248902), (86, 4624451), (127, 3131518), (254, 1565759), (559, 711454), (1118, 355727), (1651, 240886), (2801, 141986), (3302, 120443), (5461, 72826), (5602, 70993), (10922, 36413)]