398140936

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{12641}}^1$

素因数の和:12805

約数の個数: 32

約数和(自身を含む): 776724480

約数和(自身を除く): 378583544

約数列:

[1, 2, 4, 8, 31, 62, 124, 127, 248, 254, 508, 1016, 3937, 7874, 12641, 15748, 25282, 31496, 50564, 101128, 391871, 783742, 1567484, 1605407, 3134968, 3210814, 6421628, 12843256, 49767617, 99535234, 199070468, 398140936]

約数ペア:

[(1, 398140936), (2, 199070468), (4, 99535234), (8, 49767617), (31, 12843256), (62, 6421628), (124, 3210814), (127, 3134968), (248, 1605407), (254, 1567484), (508, 783742), (1016, 391871), (3937, 101128), (7874, 50564), (12641, 31496), (15748, 25282)]