64407245

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4211}}^1$

素因数の和:4265

約数の個数: 32

約数和(自身を含む): 97044480

約数和(自身を除く): 32637235

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 437, 665, 805, 2185, 3059, 4211, 15295, 21055, 29477, 80009, 96853, 147385, 400045, 484265, 560063, 677971, 1840207, 2800315, 3389855, 9201035, 12881449, 64407245]

約数ペア:

[(1, 64407245), (5, 12881449), (7, 9201035), (19, 3389855), (23, 2800315), (35, 1840207), (95, 677971), (115, 560063), (133, 484265), (161, 400045), (437, 147385), (665, 96853), (805, 80009), (2185, 29477), (3059, 21055), (4211, 15295)]