128977910

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{463}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 236027520

約数和(自身を除く): 107049610

約数列:

[1, 2, 5, 10, 89, 178, 313, 445, 463, 626, 890, 926, 1565, 2315, 3130, 4630, 27857, 41207, 55714, 82414, 139285, 144919, 206035, 278570, 289838, 412070, 724595, 1449190, 12897791, 25795582, 64488955, 128977910]

約数ペア:

[(1, 128977910), (2, 64488955), (5, 25795582), (10, 12897791), (89, 1449190), (178, 724595), (313, 412070), (445, 289838), (463, 278570), (626, 206035), (890, 144919), (926, 139285), (1565, 82414), (2315, 55714), (3130, 41207), (4630, 27857)]