77890124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 160298208

約数和(自身を除く): 82408084

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 71, 73, 142, 146, 221, 284, 289, 292, 442, 578, 884, 923, 949, 1156, 1207, 1241, 1846, 1898, 2414, 2482, 3692, 3757, 3796, 4828, 4964, 5183, 7514, 10366, 15028, 15691, 16133, 20519, 20732, 21097, 31382, 32266, 41038, 42194, 62764, 64532, 67379, 82076, 84388, 88111, 134758, 176222, 266747, 269516, 274261, 352444, 533494, 548522, 1066988, 1097044, 1145443, 1497887, 2290886, 2995774, 4581772, 5991548, 19472531, 38945062, 77890124]

約数ペア:

[(1, 77890124), (2, 38945062), (4, 19472531), (13, 5991548), (17, 4581772), (26, 2995774), (34, 2290886), (52, 1497887), (68, 1145443), (71, 1097044), (73, 1066988), (142, 548522), (146, 533494), (221, 352444), (284, 274261), (289, 269516), (292, 266747), (442, 176222), (578, 134758), (884, 88111), (923, 84388), (949, 82076), (1156, 67379), (1207, 64532), (1241, 62764), (1846, 42194), (1898, 41038), (2414, 32266), (2482, 31382), (3692, 21097), (3757, 20732), (3796, 20519), (4828, 16133), (4964, 15691), (5183, 15028), (7514, 10366)]