209959984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{2909}}^1$

素因数の和:3277

約数の個数: 40

約数和(自身を含む): 439503120

約数和(自身を除く): 229543136

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 347, 694, 1388, 2776, 2909, 4511, 5552, 5818, 9022, 11636, 18044, 23272, 36088, 37817, 46544, 72176, 75634, 151268, 302536, 605072, 1009423, 2018846, 4037692, 8075384, 13122499, 16150768, 26244998, 52489996, 104979992, 209959984]

約数ペア:

[(1, 209959984), (2, 104979992), (4, 52489996), (8, 26244998), (13, 16150768), (16, 13122499), (26, 8075384), (52, 4037692), (104, 2018846), (208, 1009423), (347, 605072), (694, 302536), (1388, 151268), (2776, 75634), (2909, 72176), (4511, 46544), (5552, 37817), (5818, 36088), (9022, 23272), (11636, 18044)]