51851716

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 112105728

約数和(自身を除く): 60254012

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 47, 62, 82, 94, 124, 164, 188, 217, 287, 329, 434, 574, 658, 868, 961, 1148, 1271, 1316, 1457, 1922, 1927, 2542, 2914, 3844, 3854, 5084, 5828, 6727, 7708, 8897, 10199, 13454, 13489, 17794, 20398, 26908, 26978, 35588, 39401, 40796, 45167, 53956, 59737, 78802, 90334, 119474, 157604, 180668, 238948, 275807, 316169, 418159, 551614, 632338, 836318, 1103228, 1264676, 1672636, 1851847, 3703694, 7407388, 12962929, 25925858, 51851716]

約数ペア:

[(1, 51851716), (2, 25925858), (4, 12962929), (7, 7407388), (14, 3703694), (28, 1851847), (31, 1672636), (41, 1264676), (47, 1103228), (62, 836318), (82, 632338), (94, 551614), (124, 418159), (164, 316169), (188, 275807), (217, 238948), (287, 180668), (329, 157604), (434, 119474), (574, 90334), (658, 78802), (868, 59737), (961, 53956), (1148, 45167), (1271, 40796), (1316, 39401), (1457, 35588), (1922, 26978), (1927, 26908), (2542, 20398), (2914, 17794), (3844, 13489), (3854, 13454), (5084, 10199), (5828, 8897), (6727, 7708)]