64538990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{389}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 119283840

約数和(自身を除く): 54744850

約数列:

[1, 2, 5, 10, 47, 94, 235, 353, 389, 470, 706, 778, 1765, 1945, 3530, 3890, 16591, 18283, 33182, 36566, 82955, 91415, 137317, 165910, 182830, 274634, 686585, 1373170, 6453899, 12907798, 32269495, 64538990]

約数ペア:

[(1, 64538990), (2, 32269495), (5, 12907798), (10, 6453899), (47, 1373170), (94, 686585), (235, 274634), (353, 182830), (389, 165910), (470, 137317), (706, 91415), (778, 82955), (1765, 36566), (1945, 33182), (3530, 18283), (3890, 16591)]