261138416

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1669}}^1$

素因数の和:1822

約数の個数: 80

約数和(自身を含む): 636149760

約数和(自身を除く): 375011344

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 127, 154, 176, 254, 308, 508, 616, 889, 1016, 1232, 1397, 1669, 1778, 2032, 2794, 3338, 3556, 5588, 6676, 7112, 9779, 11176, 11683, 13352, 14224, 18359, 19558, 22352, 23366, 26704, 36718, 39116, 46732, 73436, 78232, 93464, 128513, 146872, 156464, 186928, 211963, 257026, 293744, 423926, 514052, 847852, 1028104, 1483741, 1695704, 2056208, 2331593, 2967482, 3391408, 4663186, 5934964, 9326372, 11869928, 16321151, 18652744, 23739856, 32642302, 37305488, 65284604, 130569208, 261138416]

約数ペア:

[(1, 261138416), (2, 130569208), (4, 65284604), (7, 37305488), (8, 32642302), (11, 23739856), (14, 18652744), (16, 16321151), (22, 11869928), (28, 9326372), (44, 5934964), (56, 4663186), (77, 3391408), (88, 2967482), (112, 2331593), (127, 2056208), (154, 1695704), (176, 1483741), (254, 1028104), (308, 847852), (508, 514052), (616, 423926), (889, 293744), (1016, 257026), (1232, 211963), (1397, 186928), (1669, 156464), (1778, 146872), (2032, 128513), (2794, 93464), (3338, 78232), (3556, 73436), (5588, 46732), (6676, 39116), (7112, 36718), (9779, 26704), (11176, 23366), (11683, 22352), (13352, 19558), (14224, 18359)]