643851650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43067}}^1$

素因数の和:43115

約数の個数: 48

約数和(自身を含む): 1345788864

約数和(自身を除く): 701937214

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1495, 2990, 7475, 14950, 43067, 86134, 215335, 430670, 559871, 990541, 1076675, 1119742, 1981082, 2153350, 2799355, 4952705, 5598710, 9905410, 12877033, 13996775, 24763525, 25754066, 27993550, 49527050, 64385165, 128770330, 321925825, 643851650]

約数ペア:

[(1, 643851650), (2, 321925825), (5, 128770330), (10, 64385165), (13, 49527050), (23, 27993550), (25, 25754066), (26, 24763525), (46, 13996775), (50, 12877033), (65, 9905410), (115, 5598710), (130, 4952705), (230, 2799355), (299, 2153350), (325, 1981082), (575, 1119742), (598, 1076675), (650, 990541), (1150, 559871), (1495, 430670), (2990, 215335), (7475, 86134), (14950, 43067)]