421520816

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{24371}}^1$

素因数の和:24449

約数の個数: 40

約数和(自身を含む): 870372864

約数和(自身を除く): 448852048

約数列:

[1, 2, 4, 8, 16, 23, 46, 47, 92, 94, 184, 188, 368, 376, 752, 1081, 2162, 4324, 8648, 17296, 24371, 48742, 97484, 194968, 389936, 560533, 1121066, 1145437, 2242132, 2290874, 4484264, 4581748, 8968528, 9163496, 18326992, 26345051, 52690102, 105380204, 210760408, 421520816]

約数ペア:

[(1, 421520816), (2, 210760408), (4, 105380204), (8, 52690102), (16, 26345051), (23, 18326992), (46, 9163496), (47, 8968528), (92, 4581748), (94, 4484264), (184, 2290874), (188, 2242132), (368, 1145437), (376, 1121066), (752, 560533), (1081, 389936), (2162, 194968), (4324, 97484), (8648, 48742), (17296, 24371)]