389520766

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 614154240

約数和(自身を除く): 224633474

約数列:

[1, 2, 31, 62, 97, 194, 239, 271, 478, 542, 3007, 6014, 7409, 8401, 14818, 16802, 23183, 26287, 46366, 52574, 64769, 129538, 718673, 814897, 1437346, 1629794, 2007839, 4015678, 6282593, 12565186, 194760383, 389520766]

約数ペア:

[(1, 389520766), (2, 194760383), (31, 12565186), (62, 6282593), (97, 4015678), (194, 2007839), (239, 1629794), (271, 1437346), (478, 814897), (542, 718673), (3007, 129538), (6014, 64769), (7409, 52574), (8401, 46366), (14818, 26287), (16802, 23183)]