215205121978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1\times {\mathrm{12479}}^1$

素因数の和:13603

約数の個数: 64

約数和(自身を含む): 406465413120

約数和(自身を除く): 191260291142

約数列:

[1, 2, 7, 11, 14, 22, 77, 113, 154, 226, 791, 991, 1243, 1582, 1982, 2486, 6937, 8701, 10901, 12479, 13874, 17402, 21802, 24958, 76307, 87353, 111983, 137269, 152614, 174706, 223966, 274538, 783881, 960883, 1231813, 1410127, 1567762, 1921766, 2463626, 2820254, 8622691, 9870889, 12366689, 15511397, 17245382, 19741778, 24733378, 31022794, 86566823, 108579779, 136033579, 173133646, 217159558, 272067158, 952235053, 1397435857, 1904470106, 2794871714, 9782050999, 15371794427, 19564101998, 30743588854, 107602560989, 215205121978]

約数ペア:

[(1, 215205121978), (2, 107602560989), (7, 30743588854), (11, 19564101998), (14, 15371794427), (22, 9782050999), (77, 2794871714), (113, 1904470106), (154, 1397435857), (226, 952235053), (791, 272067158), (991, 217159558), (1243, 173133646), (1582, 136033579), (1982, 108579779), (2486, 86566823), (6937, 31022794), (8701, 24733378), (10901, 19741778), (12479, 17245382), (13874, 15511397), (17402, 12366689), (21802, 9870889), (24958, 8622691), (76307, 2820254), (87353, 2463626), (111983, 1921766), (137269, 1567762), (152614, 1410127), (174706, 1231813), (223966, 960883), (274538, 783881)]