490139026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{7187}}^1$

素因数の和:7306

約数の個数: 32

約数和(自身を含む): 823572288

約数和(自身を除く): 333433262

約数列:

[1, 2, 13, 26, 43, 61, 86, 122, 559, 793, 1118, 1586, 2623, 5246, 7187, 14374, 34099, 68198, 93431, 186862, 309041, 438407, 618082, 876814, 4017533, 5699291, 8035066, 11398582, 18851501, 37703002, 245069513, 490139026]

約数ペア:

[(1, 490139026), (2, 245069513), (13, 37703002), (26, 18851501), (43, 11398582), (61, 8035066), (86, 5699291), (122, 4017533), (559, 876814), (793, 618082), (1118, 438407), (1586, 309041), (2623, 186862), (5246, 93431), (7187, 68198), (14374, 34099)]