31122016

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 63987840

約数和(自身を除く): 32865824

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 137, 229, 248, 274, 458, 496, 548, 916, 992, 1096, 1832, 2192, 3664, 4247, 4384, 7099, 7328, 8494, 14198, 16988, 28396, 31373, 33976, 56792, 62746, 67952, 113584, 125492, 135904, 227168, 250984, 501968, 972563, 1003936, 1945126, 3890252, 7780504, 15561008, 31122016]

約数ペア:

[(1, 31122016), (2, 15561008), (4, 7780504), (8, 3890252), (16, 1945126), (31, 1003936), (32, 972563), (62, 501968), (124, 250984), (137, 227168), (229, 135904), (248, 125492), (274, 113584), (458, 67952), (496, 62746), (548, 56792), (916, 33976), (992, 31373), (1096, 28396), (1832, 16988), (2192, 14198), (3664, 8494), (4247, 7328), (4384, 7099)]