209387412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{447409}}^1$

素因数の和:447432

約数の個数: 36

約数和(自身を含む): 570000340

約数和(自身を除く): 360612928

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 447409, 894818, 1342227, 1789636, 2684454, 4026681, 5368908, 5816317, 8053362, 11632634, 16106724, 17448951, 23265268, 34897902, 52346853, 69795804, 104693706, 209387412]

約数ペア:

[(1, 209387412), (2, 104693706), (3, 69795804), (4, 52346853), (6, 34897902), (9, 23265268), (12, 17448951), (13, 16106724), (18, 11632634), (26, 8053362), (36, 5816317), (39, 5368908), (52, 4026681), (78, 2684454), (117, 1789636), (156, 1342227), (234, 894818), (468, 447409)]