258427484

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{67369}}^1$

素因数の和:67517

約数の個数: 24

約数和(自身を含む): 520635360

約数和(自身を除く): 262207876

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 67369, 134738, 269476, 471583, 943166, 1886332, 9229553, 18459106, 36918212, 64606871, 129213742, 258427484]

約数ペア:

[(1, 258427484), (2, 129213742), (4, 64606871), (7, 36918212), (14, 18459106), (28, 9229553), (137, 1886332), (274, 943166), (548, 471583), (959, 269476), (1918, 134738), (3836, 67369)]