78998904

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{17987}}^1$

素因数の和:18060

約数の個数: 48

約数和(自身を含む): 217474920

約数和(自身を除く): 138476016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 17987, 35974, 53961, 71948, 107922, 143896, 161883, 215844, 323766, 431688, 647532, 1097207, 1295064, 2194414, 3291621, 4388828, 6583242, 8777656, 9874863, 13166484, 19749726, 26332968, 39499452, 78998904]

約数ペア:

[(1, 78998904), (2, 39499452), (3, 26332968), (4, 19749726), (6, 13166484), (8, 9874863), (9, 8777656), (12, 6583242), (18, 4388828), (24, 3291621), (36, 2194414), (61, 1295064), (72, 1097207), (122, 647532), (183, 431688), (244, 323766), (366, 215844), (488, 161883), (549, 143896), (732, 107922), (1098, 71948), (1464, 53961), (2196, 35974), (4392, 17987)]