278375890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{5591}}^1$

素因数の和:5994

約数の個数: 32

約数和(自身を含む): 541126656

約数和(自身を除く): 262750766

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 383, 766, 1915, 3830, 4979, 5591, 9958, 11182, 24895, 27955, 49790, 55910, 72683, 145366, 363415, 726830, 2141353, 4282706, 10706765, 21413530, 27837589, 55675178, 139187945, 278375890]

約数ペア:

[(1, 278375890), (2, 139187945), (5, 55675178), (10, 27837589), (13, 21413530), (26, 10706765), (65, 4282706), (130, 2141353), (383, 726830), (766, 363415), (1915, 145366), (3830, 72683), (4979, 55910), (5591, 49790), (9958, 27955), (11182, 24895)]