256665032

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{829}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 524020500

約数和(自身を除く): 267355468

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 229, 338, 458, 676, 829, 916, 1352, 1658, 1832, 2977, 3316, 5954, 6632, 10777, 11908, 21554, 23816, 38701, 43108, 77402, 86216, 140101, 154804, 189841, 280202, 309608, 379682, 560404, 759364, 1120808, 1518728, 2467933, 4935866, 9871732, 19743464, 32083129, 64166258, 128332516, 256665032]

約数ペア:

[(1, 256665032), (2, 128332516), (4, 64166258), (8, 32083129), (13, 19743464), (26, 9871732), (52, 4935866), (104, 2467933), (169, 1518728), (229, 1120808), (338, 759364), (458, 560404), (676, 379682), (829, 309608), (916, 280202), (1352, 189841), (1658, 154804), (1832, 140101), (2977, 86216), (3316, 77402), (5954, 43108), (6632, 38701), (10777, 23816), (11908, 21554)]