207966712

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 416991960

約数和(自身を除く): 209025248

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 293, 307, 578, 586, 614, 1156, 1172, 1228, 2312, 2344, 2456, 4981, 5219, 9962, 10438, 19924, 20876, 39848, 41752, 84677, 88723, 89951, 169354, 177446, 179902, 338708, 354892, 359804, 677416, 709784, 719608, 1529167, 3058334, 6116668, 12233336, 25995839, 51991678, 103983356, 207966712]

約数ペア:

[(1, 207966712), (2, 103983356), (4, 51991678), (8, 25995839), (17, 12233336), (34, 6116668), (68, 3058334), (136, 1529167), (289, 719608), (293, 709784), (307, 677416), (578, 359804), (586, 354892), (614, 338708), (1156, 179902), (1172, 177446), (1228, 169354), (2312, 89951), (2344, 88723), (2456, 84677), (4981, 41752), (5219, 39848), (9962, 20876), (10438, 19924)]