247658128

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{307}}^1\times {\mathrm{397}}^1$

素因数の和:839

約数の個数: 40

約数和(自身を含む): 486413312

約数和(自身を除く): 238755184

約数列:

[1, 2, 4, 8, 16, 127, 254, 307, 397, 508, 614, 794, 1016, 1228, 1588, 2032, 2456, 3176, 4912, 6352, 38989, 50419, 77978, 100838, 121879, 155956, 201676, 243758, 311912, 403352, 487516, 623824, 806704, 975032, 1950064, 15478633, 30957266, 61914532, 123829064, 247658128]

約数ペア:

[(1, 247658128), (2, 123829064), (4, 61914532), (8, 30957266), (16, 15478633), (127, 1950064), (254, 975032), (307, 806704), (397, 623824), (508, 487516), (614, 403352), (794, 311912), (1016, 243758), (1228, 201676), (1588, 155956), (2032, 121879), (2456, 100838), (3176, 77978), (4912, 50419), (6352, 38989)]