278301604

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1627}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 574358400

約数和(自身を除く): 296056796

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 149, 164, 287, 298, 574, 596, 1043, 1148, 1627, 2086, 3254, 4172, 6109, 6508, 11389, 12218, 22778, 24436, 42763, 45556, 66707, 85526, 133414, 171052, 242423, 266828, 466949, 484846, 933898, 969692, 1696961, 1867796, 3393922, 6787844, 9939343, 19878686, 39757372, 69575401, 139150802, 278301604]

約数ペア:

[(1, 278301604), (2, 139150802), (4, 69575401), (7, 39757372), (14, 19878686), (28, 9939343), (41, 6787844), (82, 3393922), (149, 1867796), (164, 1696961), (287, 969692), (298, 933898), (574, 484846), (596, 466949), (1043, 266828), (1148, 242423), (1627, 171052), (2086, 133414), (3254, 85526), (4172, 66707), (6109, 45556), (6508, 42763), (11389, 24436), (12218, 22778)]