618156720916

素因数分解:

$2^2\times 7^2\times {\mathrm{2131}}^1\times {\mathrm{1479991}}^1$

素因数の和:1482140

約数の個数: 36

約数和(自身を含む): 1258981834656

約数和(自身を除く): 640825113740

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 2131, 4262, 8524, 14917, 29834, 59668, 104419, 208838, 417676, 1479991, 2959982, 5919964, 10359937, 20719874, 41439748, 72519559, 145039118, 290078236, 3153860821, 6307721642, 12615443284, 22077025747, 44154051494, 88308102988, 154539180229, 309078360458, 618156720916]

約数ペア:

[(1, 618156720916), (2, 309078360458), (4, 154539180229), (7, 88308102988), (14, 44154051494), (28, 22077025747), (49, 12615443284), (98, 6307721642), (196, 3153860821), (2131, 290078236), (4262, 145039118), (8524, 72519559), (14917, 41439748), (29834, 20719874), (59668, 10359937), (104419, 5919964), (208838, 2959982), (417676, 1479991)]