2011989488

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{6451}}^1$

素因数の和:6753

約数の個数: 40

約数和(自身を含む): 3957837456

約数和(自身を除く): 1945847968

約数列:

[1, 2, 4, 8, 16, 101, 193, 202, 386, 404, 772, 808, 1544, 1616, 3088, 6451, 12902, 19493, 25804, 38986, 51608, 77972, 103216, 155944, 311888, 651551, 1245043, 1303102, 2490086, 2606204, 4980172, 5212408, 9960344, 10424816, 19920688, 125749343, 251498686, 502997372, 1005994744, 2011989488]

約数ペア:

[(1, 2011989488), (2, 1005994744), (4, 502997372), (8, 251498686), (16, 125749343), (101, 19920688), (193, 10424816), (202, 9960344), (386, 5212408), (404, 4980172), (772, 2606204), (808, 2490086), (1544, 1303102), (1616, 1245043), (3088, 651551), (6451, 311888), (12902, 155944), (19493, 103216), (25804, 77972), (38986, 51608)]