221439708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 669439680

約数和(自身を除く): 447999972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 157, 174, 193, 203, 252, 261, 314, 348, 386, 406, 471, 522, 579, 609, 628, 772, 812, 942, 1044, 1099, 1158, 1218, 1351, 1413, 1737, 1827, 1884, 2198, 2316, 2436, 2702, 2826, 3297, 3474, 3654, 4053, 4396, 4553, 5404, 5597, 5652, 6594, 6948, 7308, 8106, 9106, 9891, 11194, 12159, 13188, 13659, 16212, 16791, 18212, 19782, 22388, 24318, 27318, 30301, 31871, 33582, 39179, 39564, 40977, 48636, 50373, 54636, 60602, 63742, 67164, 78358, 81954, 90903, 95613, 100746, 117537, 121204, 127484, 156716, 163908, 181806, 191226, 201492, 212107, 235074, 272709, 286839, 352611, 363612, 382452, 424214, 470148, 545418, 573678, 636321, 705222, 848428, 878729, 1090836, 1147356, 1272642, 1410444, 1757458, 1908963, 2545284, 2636187, 3514916, 3817926, 5272374, 6151103, 7635852, 7908561, 10544748, 12302206, 15817122, 18453309, 24604412, 31634244, 36906618, 55359927, 73813236, 110719854, 221439708]

約数ペア:

[(1, 221439708), (2, 110719854), (3, 73813236), (4, 55359927), (6, 36906618), (7, 31634244), (9, 24604412), (12, 18453309), (14, 15817122), (18, 12302206), (21, 10544748), (28, 7908561), (29, 7635852), (36, 6151103), (42, 5272374), (58, 3817926), (63, 3514916), (84, 2636187), (87, 2545284), (116, 1908963), (126, 1757458), (157, 1410444), (174, 1272642), (193, 1147356), (203, 1090836), (252, 878729), (261, 848428), (314, 705222), (348, 636321), (386, 573678), (406, 545418), (471, 470148), (522, 424214), (579, 382452), (609, 363612), (628, 352611), (772, 286839), (812, 272709), (942, 235074), (1044, 212107), (1099, 201492), (1158, 191226), (1218, 181806), (1351, 163908), (1413, 156716), (1737, 127484), (1827, 121204), (1884, 117537), (2198, 100746), (2316, 95613), (2436, 90903), (2702, 81954), (2826, 78358), (3297, 67164), (3474, 63742), (3654, 60602), (4053, 54636), (4396, 50373), (4553, 48636), (5404, 40977), (5597, 39564), (5652, 39179), (6594, 33582), (6948, 31871), (7308, 30301), (8106, 27318), (9106, 24318), (9891, 22388), (11194, 19782), (12159, 18212), (13188, 16791), (13659, 16212)]