15666817975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{971}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 20364410880

約数和(自身を除く): 4697592905

約数列:

[1, 5, 25, 31, 109, 155, 191, 545, 775, 955, 971, 2725, 3379, 4775, 4855, 5921, 16895, 20819, 24275, 29605, 30101, 84475, 104095, 105839, 148025, 150505, 185461, 520475, 529195, 645389, 752525, 927305, 2645975, 3226945, 3281009, 4636525, 5749291, 16134725, 16405045, 20215249, 28746455, 82025225, 101076245, 143732275, 505381225, 626672719, 3133363595, 15666817975]

約数ペア:

[(1, 15666817975), (5, 3133363595), (25, 626672719), (31, 505381225), (109, 143732275), (155, 101076245), (191, 82025225), (545, 28746455), (775, 20215249), (955, 16405045), (971, 16134725), (2725, 5749291), (3379, 4636525), (4775, 3281009), (4855, 3226945), (5921, 2645975), (16895, 927305), (20819, 752525), (24275, 645389), (29605, 529195), (30101, 520475), (84475, 185461), (104095, 150505), (105839, 148025)]