400038962024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{16823}}^1\times {\mathrm{228647}}^1$

素因数の和:245489

約数の個数: 32

約数和(自身を含む): 807822529920

約数和(自身を除く): 407783567896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 16823, 33646, 67292, 134584, 218699, 228647, 437398, 457294, 874796, 914588, 1749592, 1829176, 2972411, 5944822, 11889644, 23779288, 3846528481, 7693056962, 15386113924, 30772227848, 50004870253, 100009740506, 200019481012, 400038962024]

約数ペア:

[(1, 400038962024), (2, 200019481012), (4, 100009740506), (8, 50004870253), (13, 30772227848), (26, 15386113924), (52, 7693056962), (104, 3846528481), (16823, 23779288), (33646, 11889644), (67292, 5944822), (134584, 2972411), (218699, 1829176), (228647, 1749592), (437398, 914588), (457294, 874796)]