291287152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{26423}}^1$

素因数の和:26497

約数の個数: 40

約数和(自身を含む): 619272864

約数和(自身を除く): 327985712

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 26423, 52846, 105692, 211384, 343499, 422768, 686998, 1373996, 1400419, 2747992, 2800838, 5495984, 5601676, 11203352, 18205447, 22406704, 36410894, 72821788, 145643576, 291287152]

約数ペア:

[(1, 291287152), (2, 145643576), (4, 72821788), (8, 36410894), (13, 22406704), (16, 18205447), (26, 11203352), (52, 5601676), (53, 5495984), (104, 2800838), (106, 2747992), (208, 1400419), (212, 1373996), (424, 686998), (689, 422768), (848, 343499), (1378, 211384), (2756, 105692), (5512, 52846), (11024, 26423)]