221256910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{77093}}^1$

素因数の和:77148

約数の個数: 32

約数和(自身を含む): 466264512

約数和(自身を除く): 245007602

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 77093, 154186, 385465, 539651, 770930, 1079302, 2698255, 3160813, 5396510, 6321626, 15804065, 22125691, 31608130, 44251382, 110628455, 221256910]

約数ペア:

[(1, 221256910), (2, 110628455), (5, 44251382), (7, 31608130), (10, 22125691), (14, 15804065), (35, 6321626), (41, 5396510), (70, 3160813), (82, 2698255), (205, 1079302), (287, 770930), (410, 539651), (574, 385465), (1435, 154186), (2870, 77093)]