221423728

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{283}}^1\times {\mathrm{619}}^1$

素因数の和:989

約数の個数: 40

約数和(自身を含む): 436678400

約数和(自身を除く): 215254672

約数列:

[1, 2, 4, 8, 16, 79, 158, 283, 316, 566, 619, 632, 1132, 1238, 1264, 2264, 2476, 4528, 4952, 9904, 22357, 44714, 48901, 89428, 97802, 175177, 178856, 195604, 350354, 357712, 391208, 700708, 782416, 1401416, 2802832, 13838983, 27677966, 55355932, 110711864, 221423728]

約数ペア:

[(1, 221423728), (2, 110711864), (4, 55355932), (8, 27677966), (16, 13838983), (79, 2802832), (158, 1401416), (283, 782416), (316, 700708), (566, 391208), (619, 357712), (632, 350354), (1132, 195604), (1238, 178856), (1264, 175177), (2264, 97802), (2476, 89428), (4528, 48901), (4952, 44714), (9904, 22357)]