78989816

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 150927840

約数和(自身を除く): 71938024

約数列:

[1, 2, 4, 8, 97, 137, 194, 274, 388, 548, 743, 776, 1096, 1486, 2972, 5944, 13289, 26578, 53156, 72071, 101791, 106312, 144142, 203582, 288284, 407164, 576568, 814328, 9873727, 19747454, 39494908, 78989816]

約数ペア:

[(1, 78989816), (2, 39494908), (4, 19747454), (8, 9873727), (97, 814328), (137, 576568), (194, 407164), (274, 288284), (388, 203582), (548, 144142), (743, 106312), (776, 101791), (1096, 72071), (1486, 53156), (2972, 26578), (5944, 13289)]