161552170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{877}}^1$

素因数の和:1019

約数の個数: 48

約数和(自身を含む): 318134520

約数和(自身を除く): 156582350

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 169, 218, 338, 545, 845, 877, 1090, 1417, 1690, 1754, 2834, 4385, 7085, 8770, 11401, 14170, 18421, 22802, 36842, 57005, 92105, 95593, 114010, 148213, 184210, 191186, 296426, 477965, 741065, 955930, 1242709, 1482130, 2485418, 6213545, 12427090, 16155217, 32310434, 80776085, 161552170]

約数ペア:

[(1, 161552170), (2, 80776085), (5, 32310434), (10, 16155217), (13, 12427090), (26, 6213545), (65, 2485418), (109, 1482130), (130, 1242709), (169, 955930), (218, 741065), (338, 477965), (545, 296426), (845, 191186), (877, 184210), (1090, 148213), (1417, 114010), (1690, 95593), (1754, 92105), (2834, 57005), (4385, 36842), (7085, 22802), (8770, 18421), (11401, 14170)]