68213210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{811}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 132596352

約数和(自身を除く): 64383142

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 647, 811, 1294, 1622, 3235, 4055, 6470, 8110, 8411, 10543, 16822, 21086, 42055, 52715, 84110, 105430, 524717, 1049434, 2623585, 5247170, 6821321, 13642642, 34106605, 68213210]

約数ペア:

[(1, 68213210), (2, 34106605), (5, 13642642), (10, 6821321), (13, 5247170), (26, 2623585), (65, 1049434), (130, 524717), (647, 105430), (811, 84110), (1294, 52715), (1622, 42055), (3235, 21086), (4055, 16822), (6470, 10543), (8110, 8411)]