15811796

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 37537920

約数和(自身を除く): 21726124

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 121, 143, 154, 182, 242, 286, 308, 359, 364, 484, 572, 718, 847, 1001, 1436, 1573, 1694, 2002, 2513, 3146, 3388, 3949, 4004, 4667, 5026, 6292, 7898, 9334, 10052, 11011, 15796, 18668, 22022, 27643, 32669, 43439, 44044, 51337, 55286, 65338, 86878, 102674, 110572, 130676, 173756, 205348, 304073, 359359, 564707, 608146, 718718, 1129414, 1216292, 1437436, 2258828, 3952949, 7905898, 15811796]

約数ペア:

[(1, 15811796), (2, 7905898), (4, 3952949), (7, 2258828), (11, 1437436), (13, 1216292), (14, 1129414), (22, 718718), (26, 608146), (28, 564707), (44, 359359), (52, 304073), (77, 205348), (91, 173756), (121, 130676), (143, 110572), (154, 102674), (182, 86878), (242, 65338), (286, 55286), (308, 51337), (359, 44044), (364, 43439), (484, 32669), (572, 27643), (718, 22022), (847, 18668), (1001, 15796), (1436, 11011), (1573, 10052), (1694, 9334), (2002, 7898), (2513, 6292), (3146, 5026), (3388, 4667), (3949, 4004)]