247472511

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 413575680

約数和(自身を除く): 166103169

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 97, 143, 209, 247, 291, 313, 429, 627, 741, 939, 1067, 1261, 1843, 2717, 3201, 3443, 3783, 4069, 5529, 5947, 8151, 10329, 12207, 13871, 17841, 20273, 23959, 30361, 41613, 44759, 60819, 65417, 71877, 77311, 91083, 134277, 196251, 231933, 263549, 333971, 394693, 576859, 790647, 850421, 1001913, 1184079, 1730577, 2551263, 4341623, 6345449, 7499167, 13024869, 19036347, 22497501, 82490837, 247472511]

約数ペア:

[(1, 247472511), (3, 82490837), (11, 22497501), (13, 19036347), (19, 13024869), (33, 7499167), (39, 6345449), (57, 4341623), (97, 2551263), (143, 1730577), (209, 1184079), (247, 1001913), (291, 850421), (313, 790647), (429, 576859), (627, 394693), (741, 333971), (939, 263549), (1067, 231933), (1261, 196251), (1843, 134277), (2717, 91083), (3201, 77311), (3443, 71877), (3783, 65417), (4069, 60819), (5529, 44759), (5947, 41613), (8151, 30361), (10329, 23959), (12207, 20273), (13871, 17841)]