221745992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{23957}}^1$

素因数の和:24065

約数の個数: 32

約数和(自身を含む): 452806200

約数和(自身を除く): 231060208

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2314, 4628, 9256, 23957, 47914, 95828, 191656, 311441, 622882, 1245764, 2132173, 2491528, 4264346, 8528692, 17057384, 27718249, 55436498, 110872996, 221745992]

約数ペア:

[(1, 221745992), (2, 110872996), (4, 55436498), (8, 27718249), (13, 17057384), (26, 8528692), (52, 4264346), (89, 2491528), (104, 2132173), (178, 1245764), (356, 622882), (712, 311441), (1157, 191656), (2314, 95828), (4628, 47914), (9256, 23957)]