1391262764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 2715894720

約数和(自身を除く): 1324631956

約数列:

[1, 2, 4, 19, 31, 38, 43, 62, 76, 86, 124, 172, 443, 589, 817, 886, 961, 1178, 1333, 1634, 1772, 1922, 2356, 2666, 3268, 3844, 5332, 8417, 13733, 16834, 18259, 19049, 25327, 27466, 33668, 36518, 38098, 41323, 50654, 54932, 73036, 76196, 82646, 101308, 165292, 260927, 361931, 425723, 521854, 590519, 723862, 785137, 851446, 1043708, 1181038, 1447724, 1570274, 1702892, 2362076, 3140548, 8088737, 11219861, 16177474, 18306089, 22439722, 32354948, 36612178, 44879444, 73224356, 347815691, 695631382, 1391262764]

約数ペア:

[(1, 1391262764), (2, 695631382), (4, 347815691), (19, 73224356), (31, 44879444), (38, 36612178), (43, 32354948), (62, 22439722), (76, 18306089), (86, 16177474), (124, 11219861), (172, 8088737), (443, 3140548), (589, 2362076), (817, 1702892), (886, 1570274), (961, 1447724), (1178, 1181038), (1333, 1043708), (1634, 851446), (1772, 785137), (1922, 723862), (2356, 590519), (2666, 521854), (3268, 425723), (3844, 361931), (5332, 260927), (8417, 165292), (13733, 101308), (16834, 82646), (18259, 76196), (19049, 73036), (25327, 54932), (27466, 50654), (33668, 41323), (36518, 38098)]