218798398

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{70717}}^1$

素因数の和:70756

約数の個数: 32

約数和(自身を含む): 427702464

約数和(自身を除く): 208904066

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 70717, 141434, 495019, 919321, 990038, 1202189, 1838642, 2404378, 6435247, 8415323, 12870494, 15628457, 16830646, 31256914, 109399199, 218798398]

約数ペア:

[(1, 218798398), (2, 109399199), (7, 31256914), (13, 16830646), (14, 15628457), (17, 12870494), (26, 8415323), (34, 6435247), (91, 2404378), (119, 1838642), (182, 1202189), (221, 990038), (238, 919321), (442, 495019), (1547, 141434), (3094, 70717)]