221392948

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{6221}}^1$

素因数の和:6304

約数の個数: 48

約数和(自身を含む): 468292608

約数和(自身を除く): 246899660

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 62, 82, 124, 164, 217, 287, 434, 574, 868, 1148, 1271, 2542, 5084, 6221, 8897, 12442, 17794, 24884, 35588, 43547, 87094, 174188, 192851, 255061, 385702, 510122, 771404, 1020244, 1349957, 1785427, 2699914, 3570854, 5399828, 7141708, 7906891, 15813782, 31627564, 55348237, 110696474, 221392948]

約数ペア:

[(1, 221392948), (2, 110696474), (4, 55348237), (7, 31627564), (14, 15813782), (28, 7906891), (31, 7141708), (41, 5399828), (62, 3570854), (82, 2699914), (124, 1785427), (164, 1349957), (217, 1020244), (287, 771404), (434, 510122), (574, 385702), (868, 255061), (1148, 192851), (1271, 174188), (2542, 87094), (5084, 43547), (6221, 35588), (8897, 24884), (12442, 17794)]