720292426

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{26951}}^1$

素因数の和:27066

約数の個数: 32

約数和(自身を含む): 1304045568

約数和(自身を除く): 583753142

約数列:

[1, 2, 7, 14, 23, 46, 83, 161, 166, 322, 581, 1162, 1909, 3818, 13363, 26726, 26951, 53902, 188657, 377314, 619873, 1239746, 2236933, 4339111, 4473866, 8678222, 15658531, 31317062, 51449459, 102898918, 360146213, 720292426]

約数ペア:

[(1, 720292426), (2, 360146213), (7, 102898918), (14, 51449459), (23, 31317062), (46, 15658531), (83, 8678222), (161, 4473866), (166, 4339111), (322, 2236933), (581, 1239746), (1162, 619873), (1909, 377314), (3818, 188657), (13363, 53902), (26726, 26951)]