247728

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 690928

約数和(自身を除く): 443200

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 397, 624, 794, 1191, 1588, 2382, 3176, 4764, 5161, 6352, 9528, 10322, 15483, 19056, 20644, 30966, 41288, 61932, 82576, 123864, 247728]

約数ペア:

[(1, 247728), (2, 123864), (3, 82576), (4, 61932), (6, 41288), (8, 30966), (12, 20644), (13, 19056), (16, 15483), (24, 10322), (26, 9528), (39, 6352), (48, 5161), (52, 4764), (78, 3176), (104, 2382), (156, 1588), (208, 1191), (312, 794), (397, 624)]