217561824

素因数分解:

$2^5\times 3^2\times {\mathrm{409}}^1\times {\mathrm{1847}}^1$

素因数の和:2272

約数の個数: 72

約数和(自身を含む): 620539920

約数和(自身を除く): 402978096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 409, 818, 1227, 1636, 1847, 2454, 3272, 3681, 3694, 4908, 5541, 6544, 7362, 7388, 9816, 11082, 13088, 14724, 14776, 16623, 19632, 22164, 29448, 29552, 33246, 39264, 44328, 58896, 59104, 66492, 88656, 117792, 132984, 177312, 265968, 531936, 755423, 1510846, 2266269, 3021692, 4532538, 6043384, 6798807, 9065076, 12086768, 13597614, 18130152, 24173536, 27195228, 36260304, 54390456, 72520608, 108780912, 217561824]

約数ペア:

[(1, 217561824), (2, 108780912), (3, 72520608), (4, 54390456), (6, 36260304), (8, 27195228), (9, 24173536), (12, 18130152), (16, 13597614), (18, 12086768), (24, 9065076), (32, 6798807), (36, 6043384), (48, 4532538), (72, 3021692), (96, 2266269), (144, 1510846), (288, 755423), (409, 531936), (818, 265968), (1227, 177312), (1636, 132984), (1847, 117792), (2454, 88656), (3272, 66492), (3681, 59104), (3694, 58896), (4908, 44328), (5541, 39264), (6544, 33246), (7362, 29552), (7388, 29448), (9816, 22164), (11082, 19632), (13088, 16623), (14724, 14776)]