978945425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{953}}^1\times {\mathrm{2417}}^1$

素因数の和:3397

約数の個数: 24

約数和(自身を含む): 1287178776

約数和(自身を除く): 308233351

約数列:

[1, 5, 17, 25, 85, 425, 953, 2417, 4765, 12085, 16201, 23825, 41089, 60425, 81005, 205445, 405025, 1027225, 2303401, 11517005, 39157817, 57585025, 195789085, 978945425]

約数ペア:

[(1, 978945425), (5, 195789085), (17, 57585025), (25, 39157817), (85, 11517005), (425, 2303401), (953, 1027225), (2417, 405025), (4765, 205445), (12085, 81005), (16201, 60425), (23825, 41089)]