396751888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1752

約数の個数: 80

約数和(自身を含む): 878166016

約数和(自身を除く): 481414128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 37, 52, 62, 74, 104, 124, 148, 208, 248, 296, 403, 481, 496, 592, 806, 962, 1147, 1612, 1663, 1924, 2294, 3224, 3326, 3848, 4588, 6448, 6652, 7696, 9176, 13304, 14911, 18352, 21619, 26608, 29822, 43238, 51553, 59644, 61531, 86476, 103106, 119288, 123062, 172952, 206212, 238576, 246124, 345904, 412424, 492248, 670189, 799903, 824848, 984496, 1340378, 1599806, 1907461, 2680756, 3199612, 3814922, 5361512, 6399224, 7629844, 10723024, 12798448, 15259688, 24796993, 30519376, 49593986, 99187972, 198375944, 396751888]

約数ペア:

[(1, 396751888), (2, 198375944), (4, 99187972), (8, 49593986), (13, 30519376), (16, 24796993), (26, 15259688), (31, 12798448), (37, 10723024), (52, 7629844), (62, 6399224), (74, 5361512), (104, 3814922), (124, 3199612), (148, 2680756), (208, 1907461), (248, 1599806), (296, 1340378), (403, 984496), (481, 824848), (496, 799903), (592, 670189), (806, 492248), (962, 412424), (1147, 345904), (1612, 246124), (1663, 238576), (1924, 206212), (2294, 172952), (3224, 123062), (3326, 119288), (3848, 103106), (4588, 86476), (6448, 61531), (6652, 59644), (7696, 51553), (9176, 43238), (13304, 29822), (14911, 26608), (18352, 21619)]