131570944

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 276675840

約数和(自身を除く): 145104896

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 64, 118, 124, 128, 236, 248, 256, 281, 472, 496, 562, 944, 992, 1124, 1829, 1888, 1984, 2248, 3658, 3776, 3968, 4496, 7316, 7552, 7936, 8711, 8992, 14632, 15104, 16579, 17422, 17984, 29264, 33158, 34844, 35968, 58528, 66316, 69688, 71936, 117056, 132632, 139376, 234112, 265264, 278752, 468224, 513949, 530528, 557504, 1027898, 1061056, 1115008, 2055796, 2122112, 2230016, 4111592, 4244224, 8223184, 16446368, 32892736, 65785472, 131570944]

約数ペア:

[(1, 131570944), (2, 65785472), (4, 32892736), (8, 16446368), (16, 8223184), (31, 4244224), (32, 4111592), (59, 2230016), (62, 2122112), (64, 2055796), (118, 1115008), (124, 1061056), (128, 1027898), (236, 557504), (248, 530528), (256, 513949), (281, 468224), (472, 278752), (496, 265264), (562, 234112), (944, 139376), (992, 132632), (1124, 117056), (1829, 71936), (1888, 69688), (1984, 66316), (2248, 58528), (3658, 35968), (3776, 34844), (3968, 33158), (4496, 29264), (7316, 17984), (7552, 17422), (7936, 16579), (8711, 15104), (8992, 14632)]