281261566

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1229}}^1$

素因数の和:1428

約数の個数: 32

約数和(自身を含む): 459095040

約数和(自身を除く): 177833474

約数列:

[1, 2, 17, 34, 53, 106, 127, 254, 901, 1229, 1802, 2159, 2458, 4318, 6731, 13462, 20893, 41786, 65137, 114427, 130274, 156083, 228854, 312166, 1107329, 2214658, 2653411, 5306822, 8272399, 16544798, 140630783, 281261566]

約数ペア:

[(1, 281261566), (2, 140630783), (17, 16544798), (34, 8272399), (53, 5306822), (106, 2653411), (127, 2214658), (254, 1107329), (901, 312166), (1229, 228854), (1802, 156083), (2159, 130274), (2458, 114427), (4318, 65137), (6731, 41786), (13462, 20893)]