12420863

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 17466624

約数和(自身を除く): 5045761

約数列:

[1, 7, 13, 17, 31, 37, 49, 91, 119, 217, 221, 259, 403, 481, 527, 629, 637, 833, 1147, 1519, 1547, 1813, 2821, 3367, 3689, 4403, 6851, 8029, 8177, 10829, 14911, 19499, 19747, 23569, 25823, 30821, 47957, 56203, 57239, 104377, 136493, 253487, 335699, 400673, 730639, 955451, 1774409, 12420863]

約数ペア:

[(1, 12420863), (7, 1774409), (13, 955451), (17, 730639), (31, 400673), (37, 335699), (49, 253487), (91, 136493), (119, 104377), (217, 57239), (221, 56203), (259, 47957), (403, 30821), (481, 25823), (527, 23569), (629, 19747), (637, 19499), (833, 14911), (1147, 10829), (1519, 8177), (1547, 8029), (1813, 6851), (2821, 4403), (3367, 3689)]