23971388

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 52955280

約数和(自身を除く): 28983892

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 49, 76, 82, 98, 133, 157, 164, 196, 266, 287, 314, 532, 574, 628, 779, 931, 1099, 1148, 1558, 1862, 2009, 2198, 2983, 3116, 3724, 4018, 4396, 5453, 5966, 6437, 7693, 8036, 10906, 11932, 12874, 15386, 20881, 21812, 25748, 30772, 38171, 41762, 45059, 76342, 83524, 90118, 122303, 146167, 152684, 180236, 244606, 292334, 315413, 489212, 584668, 630826, 856121, 1261652, 1712242, 3424484, 5992847, 11985694, 23971388]

約数ペア:

[(1, 23971388), (2, 11985694), (4, 5992847), (7, 3424484), (14, 1712242), (19, 1261652), (28, 856121), (38, 630826), (41, 584668), (49, 489212), (76, 315413), (82, 292334), (98, 244606), (133, 180236), (157, 152684), (164, 146167), (196, 122303), (266, 90118), (287, 83524), (314, 76342), (532, 45059), (574, 41762), (628, 38171), (779, 30772), (931, 25748), (1099, 21812), (1148, 20881), (1558, 15386), (1862, 12874), (2009, 11932), (2198, 10906), (2983, 8036), (3116, 7693), (3724, 6437), (4018, 5966), (4396, 5453)]