211319498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{1097}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 354170880

約数和(自身を除く): 142851382

約数列:

[1, 2, 13, 26, 31, 62, 239, 403, 478, 806, 1097, 2194, 3107, 6214, 7409, 14261, 14818, 28522, 34007, 68014, 96317, 192634, 262183, 442091, 524366, 884182, 3408379, 6816758, 8127673, 16255346, 105659749, 211319498]

約数ペア:

[(1, 211319498), (2, 105659749), (13, 16255346), (26, 8127673), (31, 6816758), (62, 3408379), (239, 884182), (403, 524366), (478, 442091), (806, 262183), (1097, 192634), (2194, 96317), (3107, 68014), (6214, 34007), (7409, 28522), (14261, 14818)]