218399896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{190909}}^1$

素因数の和:190939

約数の個数: 32

約数和(自身を含む): 481093200

約数和(自身を除く): 262693304

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 190909, 381818, 763636, 1527272, 2099999, 2481817, 4199998, 4963634, 8399996, 9927268, 16799992, 19854536, 27299987, 54599974, 109199948, 218399896]

約数ペア:

[(1, 218399896), (2, 109199948), (4, 54599974), (8, 27299987), (11, 19854536), (13, 16799992), (22, 9927268), (26, 8399996), (44, 4963634), (52, 4199998), (88, 2481817), (104, 2099999), (143, 1527272), (286, 763636), (572, 381818), (1144, 190909)]