15561008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 31486080

約数和(自身を除く): 15925072

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 137, 229, 248, 274, 458, 496, 548, 916, 1096, 1832, 2192, 3664, 4247, 7099, 8494, 14198, 16988, 28396, 31373, 33976, 56792, 62746, 67952, 113584, 125492, 250984, 501968, 972563, 1945126, 3890252, 7780504, 15561008]

約数ペア:

[(1, 15561008), (2, 7780504), (4, 3890252), (8, 1945126), (16, 972563), (31, 501968), (62, 250984), (124, 125492), (137, 113584), (229, 67952), (248, 62746), (274, 56792), (458, 33976), (496, 31373), (548, 28396), (916, 16988), (1096, 14198), (1832, 8494), (2192, 7099), (3664, 4247)]