16663790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 36191232

約数和(自身を除く): 19527442

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 43, 55, 65, 86, 110, 130, 143, 215, 271, 286, 430, 473, 542, 559, 715, 946, 1118, 1355, 1430, 2365, 2710, 2795, 2981, 3523, 4730, 5590, 5962, 6149, 7046, 11653, 12298, 14905, 17615, 23306, 29810, 30745, 35230, 38753, 58265, 61490, 77506, 116530, 128183, 151489, 193765, 256366, 302978, 387530, 640915, 757445, 1281830, 1514890, 1666379, 3332758, 8331895, 16663790]

約数ペア:

[(1, 16663790), (2, 8331895), (5, 3332758), (10, 1666379), (11, 1514890), (13, 1281830), (22, 757445), (26, 640915), (43, 387530), (55, 302978), (65, 256366), (86, 193765), (110, 151489), (130, 128183), (143, 116530), (215, 77506), (271, 61490), (286, 58265), (430, 38753), (473, 35230), (542, 30745), (559, 29810), (715, 23306), (946, 17615), (1118, 14905), (1355, 12298), (1430, 11653), (2365, 7046), (2710, 6149), (2795, 5962), (2981, 5590), (3523, 4730)]