49606375

素因数分解:

$5^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 78624000

約数和(自身を除く): 29017625

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 89, 91, 125, 175, 245, 325, 343, 445, 455, 623, 637, 875, 1157, 1225, 1625, 1715, 2225, 2275, 3115, 3185, 4361, 4459, 5785, 6125, 8099, 8575, 11125, 11375, 15575, 15925, 21805, 22295, 28925, 30527, 40495, 42875, 56693, 77875, 79625, 109025, 111475, 144625, 152635, 202475, 283465, 396851, 545125, 557375, 763175, 1012375, 1417325, 1984255, 3815875, 7086625, 9921275, 49606375]

約数ペア:

[(1, 49606375), (5, 9921275), (7, 7086625), (13, 3815875), (25, 1984255), (35, 1417325), (49, 1012375), (65, 763175), (89, 557375), (91, 545125), (125, 396851), (175, 283465), (245, 202475), (325, 152635), (343, 144625), (445, 111475), (455, 109025), (623, 79625), (637, 77875), (875, 56693), (1157, 42875), (1225, 40495), (1625, 30527), (1715, 28925), (2225, 22295), (2275, 21805), (3115, 15925), (3185, 15575), (4361, 11375), (4459, 11125), (5785, 8575), (6125, 8099)]