421553656

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:1135

約数の個数: 32

約数和(自身を含む): 796780080

約数和(自身を除く): 375226424

約数列:

[1, 2, 4, 8, 331, 397, 401, 662, 794, 802, 1324, 1588, 1604, 2648, 3176, 3208, 131407, 132731, 159197, 262814, 265462, 318394, 525628, 530924, 636788, 1051256, 1061848, 1273576, 52694207, 105388414, 210776828, 421553656]

約数ペア:

[(1, 421553656), (2, 210776828), (4, 105388414), (8, 52694207), (331, 1273576), (397, 1061848), (401, 1051256), (662, 636788), (794, 530924), (802, 525628), (1324, 318394), (1588, 265462), (1604, 262814), (2648, 159197), (3176, 132731), (3208, 131407)]