78319390

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2347}}^1$

素因数の和:2472

約数の個数: 32

約数和(自身を含む): 146064384

約数和(自身を除く): 67744994

約数列:

[1, 2, 5, 10, 47, 71, 94, 142, 235, 355, 470, 710, 2347, 3337, 4694, 6674, 11735, 16685, 23470, 33370, 110309, 166637, 220618, 333274, 551545, 833185, 1103090, 1666370, 7831939, 15663878, 39159695, 78319390]

約数ペア:

[(1, 78319390), (2, 39159695), (5, 15663878), (10, 7831939), (47, 1666370), (71, 1103090), (94, 833185), (142, 551545), (235, 333274), (355, 220618), (470, 166637), (710, 110309), (2347, 33370), (3337, 23470), (4694, 16685), (6674, 11735)]