12561395

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 19699200

約数和(自身を除く): 7137805

約数列:

[1, 5, 7, 11, 35, 49, 55, 59, 77, 79, 245, 295, 385, 395, 413, 539, 553, 649, 869, 2065, 2695, 2765, 2891, 3245, 3871, 4345, 4543, 4661, 6083, 14455, 19355, 22715, 23305, 30415, 31801, 32627, 42581, 51271, 159005, 163135, 212905, 228389, 256355, 358897, 1141945, 1794485, 2512279, 12561395]

約数ペア:

[(1, 12561395), (5, 2512279), (7, 1794485), (11, 1141945), (35, 358897), (49, 256355), (55, 228389), (59, 212905), (77, 163135), (79, 159005), (245, 51271), (295, 42581), (385, 32627), (395, 31801), (413, 30415), (539, 23305), (553, 22715), (649, 19355), (869, 14455), (2065, 6083), (2695, 4661), (2765, 4543), (2891, 4345), (3245, 3871)]