12917961515

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{16693}}^1$

素因数の和:16871

約数の個数: 32

約数和(自身を含む): 16442922240

約数和(自身を除く): 3524960725

約数列:

[1, 5, 37, 47, 89, 185, 235, 445, 1739, 3293, 4183, 8695, 16465, 16693, 20915, 83465, 154771, 617641, 773855, 784571, 1485677, 3088205, 3922855, 7428385, 29029127, 54970049, 69826819, 145145635, 274850245, 349134095, 2583592303, 12917961515]

約数ペア:

[(1, 12917961515), (5, 2583592303), (37, 349134095), (47, 274850245), (89, 145145635), (185, 69826819), (235, 54970049), (445, 29029127), (1739, 7428385), (3293, 3922855), (4183, 3088205), (8695, 1485677), (16465, 784571), (16693, 773855), (20915, 617641), (83465, 154771)]