78669136

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 190487808

約数和(自身を除く): 111818672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 284, 364, 497, 568, 728, 761, 923, 994, 1136, 1456, 1522, 1846, 1988, 3044, 3692, 3976, 5327, 6088, 6461, 7384, 7952, 9893, 10654, 12176, 12922, 14768, 19786, 21308, 25844, 39572, 42616, 51688, 54031, 69251, 79144, 85232, 103376, 108062, 138502, 158288, 216124, 277004, 378217, 432248, 554008, 702403, 756434, 864496, 1108016, 1404806, 1512868, 2809612, 3025736, 4916821, 5619224, 6051472, 9833642, 11238448, 19667284, 39334568, 78669136]

約数ペア:

[(1, 78669136), (2, 39334568), (4, 19667284), (7, 11238448), (8, 9833642), (13, 6051472), (14, 5619224), (16, 4916821), (26, 3025736), (28, 2809612), (52, 1512868), (56, 1404806), (71, 1108016), (91, 864496), (104, 756434), (112, 702403), (142, 554008), (182, 432248), (208, 378217), (284, 277004), (364, 216124), (497, 158288), (568, 138502), (728, 108062), (761, 103376), (923, 85232), (994, 79144), (1136, 69251), (1456, 54031), (1522, 51688), (1846, 42616), (1988, 39572), (3044, 25844), (3692, 21308), (3976, 19786), (5327, 14768), (6088, 12922), (6461, 12176), (7384, 10654), (7952, 9893)]