195890691

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 275788800

約数和(自身を除く): 79898109

約数列:

[1, 3, 37, 79, 89, 111, 237, 251, 267, 753, 2923, 3293, 7031, 8769, 9287, 9879, 19829, 21093, 22339, 27861, 59487, 67017, 260147, 733673, 780441, 826543, 1764781, 2201019, 2479629, 5294343, 65296897, 195890691]

約数ペア:

[(1, 195890691), (3, 65296897), (37, 5294343), (79, 2479629), (89, 2201019), (111, 1764781), (237, 826543), (251, 780441), (267, 733673), (753, 260147), (2923, 67017), (3293, 59487), (7031, 27861), (8769, 22339), (9287, 21093), (9879, 19829)]