641128928

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{30871}}^1$

素因数の和:30951

約数の個数: 48

約数和(自身を含む): 1400353920

約数和(自身を除く): 759224992

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 88, 118, 176, 236, 352, 472, 649, 944, 1298, 1888, 2596, 5192, 10384, 20768, 30871, 61742, 123484, 246968, 339581, 493936, 679162, 987872, 1358324, 1821389, 2716648, 3642778, 5433296, 7285556, 10866592, 14571112, 20035279, 29142224, 40070558, 58284448, 80141116, 160282232, 320564464, 641128928]

約数ペア:

[(1, 641128928), (2, 320564464), (4, 160282232), (8, 80141116), (11, 58284448), (16, 40070558), (22, 29142224), (32, 20035279), (44, 14571112), (59, 10866592), (88, 7285556), (118, 5433296), (176, 3642778), (236, 2716648), (352, 1821389), (472, 1358324), (649, 987872), (944, 679162), (1298, 493936), (1888, 339581), (2596, 246968), (5192, 123484), (10384, 61742), (20768, 30871)]