397777406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{1447}}^1$

素因数の和:1668

約数の個数: 32

約数和(自身を含む): 655596480

約数和(自身を除く): 257819074

約数列:

[1, 2, 13, 26, 97, 109, 194, 218, 1261, 1417, 1447, 2522, 2834, 2894, 10573, 18811, 21146, 37622, 137449, 140359, 157723, 274898, 280718, 315446, 1824667, 2050399, 3649334, 4100798, 15299131, 30598262, 198888703, 397777406]

約数ペア:

[(1, 397777406), (2, 198888703), (13, 30598262), (26, 15299131), (97, 4100798), (109, 3649334), (194, 2050399), (218, 1824667), (1261, 315446), (1417, 280718), (1447, 274898), (2522, 157723), (2834, 140359), (2894, 137449), (10573, 37622), (18811, 21146)]