78736646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 128913120

約数和(自身を除く): 50176474

約数列:

[1, 2, 19, 38, 41, 82, 97, 194, 521, 779, 1042, 1558, 1843, 3686, 3977, 7954, 9899, 19798, 21361, 42722, 50537, 75563, 101074, 151126, 405859, 811718, 960203, 1920406, 2072017, 4144034, 39368323, 78736646]

約数ペア:

[(1, 78736646), (2, 39368323), (19, 4144034), (38, 2072017), (41, 1920406), (82, 960203), (97, 811718), (194, 405859), (521, 151126), (779, 101074), (1042, 75563), (1558, 50537), (1843, 42722), (3686, 21361), (3977, 19798), (7954, 9899)]