81249472

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:753

約数の個数: 56

約数和(自身を含む): 171551600

約数和(自身を除く): 90302128

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 109, 152, 218, 304, 436, 608, 613, 872, 1216, 1226, 1744, 2071, 2452, 3488, 4142, 4904, 6976, 8284, 9808, 11647, 16568, 19616, 23294, 33136, 39232, 46588, 66272, 66817, 93176, 132544, 133634, 186352, 267268, 372704, 534536, 745408, 1069072, 1269523, 2138144, 2539046, 4276288, 5078092, 10156184, 20312368, 40624736, 81249472]

約数ペア:

[(1, 81249472), (2, 40624736), (4, 20312368), (8, 10156184), (16, 5078092), (19, 4276288), (32, 2539046), (38, 2138144), (64, 1269523), (76, 1069072), (109, 745408), (152, 534536), (218, 372704), (304, 267268), (436, 186352), (608, 133634), (613, 132544), (872, 93176), (1216, 66817), (1226, 66272), (1744, 46588), (2071, 39232), (2452, 33136), (3488, 23294), (4142, 19616), (4904, 16568), (6976, 11647), (8284, 9808)]