221561204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{769}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 434649600

約数和(自身を除く): 213088396

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 223, 323, 446, 646, 769, 892, 1292, 1538, 3076, 3791, 4237, 7582, 8474, 13073, 14611, 15164, 16948, 26146, 29222, 52292, 58444, 72029, 144058, 171487, 248387, 288116, 342974, 496774, 685948, 993548, 2915279, 3258253, 5830558, 6516506, 11661116, 13033012, 55390301, 110780602, 221561204]

約数ペア:

[(1, 221561204), (2, 110780602), (4, 55390301), (17, 13033012), (19, 11661116), (34, 6516506), (38, 5830558), (68, 3258253), (76, 2915279), (223, 993548), (323, 685948), (446, 496774), (646, 342974), (769, 288116), (892, 248387), (1292, 171487), (1538, 144058), (3076, 72029), (3791, 58444), (4237, 52292), (7582, 29222), (8474, 26146), (13073, 16948), (14611, 15164)]