65403845

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 93681360

約数和(自身を除く): 28277515

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 157, 169, 221, 377, 493, 785, 845, 1105, 1885, 2041, 2465, 2669, 2873, 4553, 4901, 6409, 10205, 13345, 14365, 22765, 24505, 26533, 32045, 34697, 59189, 77401, 83317, 132665, 173485, 295945, 387005, 416585, 451061, 769457, 1006213, 2255305, 3847285, 5031065, 13080769, 65403845]

約数ペア:

[(1, 65403845), (5, 13080769), (13, 5031065), (17, 3847285), (29, 2255305), (65, 1006213), (85, 769457), (145, 451061), (157, 416585), (169, 387005), (221, 295945), (377, 173485), (493, 132665), (785, 83317), (845, 77401), (1105, 59189), (1885, 34697), (2041, 32045), (2465, 26533), (2669, 24505), (2873, 22765), (4553, 14365), (4901, 13345), (6409, 10205)]