64427545

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 101122560

約数和(自身を除く): 36695015

約数列:

[1, 5, 7, 13, 35, 37, 43, 65, 89, 91, 185, 215, 259, 301, 445, 455, 481, 559, 623, 1157, 1295, 1505, 1591, 2405, 2795, 3115, 3293, 3367, 3827, 3913, 5785, 7955, 8099, 11137, 16465, 16835, 19135, 19565, 20683, 23051, 26789, 40495, 42809, 49751, 55685, 103415, 115255, 133945, 141599, 144781, 214045, 248755, 299663, 348257, 707995, 723905, 991193, 1498315, 1741285, 1840787, 4955965, 9203935, 12885509, 64427545]

約数ペア:

[(1, 64427545), (5, 12885509), (7, 9203935), (13, 4955965), (35, 1840787), (37, 1741285), (43, 1498315), (65, 991193), (89, 723905), (91, 707995), (185, 348257), (215, 299663), (259, 248755), (301, 214045), (445, 144781), (455, 141599), (481, 133945), (559, 115255), (623, 103415), (1157, 55685), (1295, 49751), (1505, 42809), (1591, 40495), (2405, 26789), (2795, 23051), (3115, 20683), (3293, 19565), (3367, 19135), (3827, 16835), (3913, 16465), (5785, 11137), (7955, 8099)]