81160856

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:697

約数の個数: 96

約数和(自身を含む): 197607600

約数和(自身を除く): 116446744

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 49, 56, 68, 76, 98, 119, 133, 136, 152, 196, 238, 266, 323, 392, 476, 532, 641, 646, 833, 931, 952, 1064, 1282, 1292, 1666, 1862, 2261, 2564, 2584, 3332, 3724, 4487, 4522, 5128, 6664, 7448, 8974, 9044, 10897, 12179, 15827, 17948, 18088, 21794, 24358, 31409, 31654, 35896, 43588, 48716, 62818, 63308, 76279, 85253, 87176, 97432, 125636, 126616, 152558, 170506, 207043, 251272, 305116, 341012, 414086, 533953, 596771, 610232, 682024, 828172, 1067906, 1193542, 1449301, 1656344, 2135812, 2387084, 2898602, 4271624, 4774168, 5797204, 10145107, 11594408, 20290214, 40580428, 81160856]

約数ペア:

[(1, 81160856), (2, 40580428), (4, 20290214), (7, 11594408), (8, 10145107), (14, 5797204), (17, 4774168), (19, 4271624), (28, 2898602), (34, 2387084), (38, 2135812), (49, 1656344), (56, 1449301), (68, 1193542), (76, 1067906), (98, 828172), (119, 682024), (133, 610232), (136, 596771), (152, 533953), (196, 414086), (238, 341012), (266, 305116), (323, 251272), (392, 207043), (476, 170506), (532, 152558), (641, 126616), (646, 125636), (833, 97432), (931, 87176), (952, 85253), (1064, 76279), (1282, 63308), (1292, 62818), (1666, 48716), (1862, 43588), (2261, 35896), (2564, 31654), (2584, 31409), (3332, 24358), (3724, 21794), (4487, 18088), (4522, 17948), (5128, 15827), (6664, 12179), (7448, 10897), (8974, 9044)]