401954488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{881}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 840157920

約数和(自身を除く): 438203432

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 107, 164, 214, 328, 428, 533, 856, 881, 1066, 1391, 1762, 2132, 2782, 3524, 4264, 4387, 5564, 7048, 8774, 11128, 11453, 17548, 22906, 35096, 36121, 45812, 57031, 72242, 91624, 94267, 114062, 144484, 188534, 228124, 288968, 377068, 456248, 469573, 754136, 939146, 1225471, 1878292, 2450942, 3756584, 3864947, 4901884, 7729894, 9803768, 15459788, 30919576, 50244311, 100488622, 200977244, 401954488]

約数ペア:

[(1, 401954488), (2, 200977244), (4, 100488622), (8, 50244311), (13, 30919576), (26, 15459788), (41, 9803768), (52, 7729894), (82, 4901884), (104, 3864947), (107, 3756584), (164, 2450942), (214, 1878292), (328, 1225471), (428, 939146), (533, 754136), (856, 469573), (881, 456248), (1066, 377068), (1391, 288968), (1762, 228124), (2132, 188534), (2782, 144484), (3524, 114062), (4264, 94267), (4387, 91624), (5564, 72242), (7048, 57031), (8774, 45812), (11128, 36121), (11453, 35096), (17548, 22906)]