28398728

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{373}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 55292160

約数和(自身を除く): 26893432

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 307, 373, 614, 746, 1228, 1492, 2456, 2984, 9517, 11563, 19034, 23126, 38068, 46252, 76136, 92504, 114511, 229022, 458044, 916088, 3549841, 7099682, 14199364, 28398728]

約数ペア:

[(1, 28398728), (2, 14199364), (4, 7099682), (8, 3549841), (31, 916088), (62, 458044), (124, 229022), (248, 114511), (307, 92504), (373, 76136), (614, 46252), (746, 38068), (1228, 23126), (1492, 19034), (2456, 11563), (2984, 9517)]