206783330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4011

約数の個数: 48

約数和(自身を含む): 416150784

約数和(自身を除く): 209367454

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 3947, 4030, 5239, 7894, 10478, 19735, 26195, 39470, 51311, 52390, 102622, 122357, 244714, 256555, 513110, 611785, 667043, 1223570, 1334086, 1590641, 3181282, 3335215, 6670430, 7953205, 15906410, 20678333, 41356666, 103391665, 206783330]

約数ペア:

[(1, 206783330), (2, 103391665), (5, 41356666), (10, 20678333), (13, 15906410), (26, 7953205), (31, 6670430), (62, 3335215), (65, 3181282), (130, 1590641), (155, 1334086), (169, 1223570), (310, 667043), (338, 611785), (403, 513110), (806, 256555), (845, 244714), (1690, 122357), (2015, 102622), (3947, 52390), (4030, 51311), (5239, 39470), (7894, 26195), (10478, 19735)]