401581792

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{673}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 820365840

約数和(自身を除く): 418784048

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 643, 673, 928, 1286, 1346, 2572, 2692, 5144, 5384, 10288, 10768, 18647, 19517, 20576, 21536, 37294, 39034, 74588, 78068, 149176, 156136, 298352, 312272, 432739, 596704, 624544, 865478, 1730956, 3461912, 6923824, 12549431, 13847648, 25098862, 50197724, 100395448, 200790896, 401581792]

約数ペア:

[(1, 401581792), (2, 200790896), (4, 100395448), (8, 50197724), (16, 25098862), (29, 13847648), (32, 12549431), (58, 6923824), (116, 3461912), (232, 1730956), (464, 865478), (643, 624544), (673, 596704), (928, 432739), (1286, 312272), (1346, 298352), (2572, 156136), (2692, 149176), (5144, 78068), (5384, 74588), (10288, 39034), (10768, 37294), (18647, 21536), (19517, 20576)]