81517908

素因数分解:

$2^2\times 3^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 194253696

約数和(自身を除く): 112735788

約数列:

[1, 2, 3, 4, 6, 12, 101, 103, 202, 206, 303, 309, 404, 412, 606, 618, 653, 1212, 1236, 1306, 1959, 2612, 3918, 7836, 10403, 20806, 31209, 41612, 62418, 65953, 67259, 124836, 131906, 134518, 197859, 201777, 263812, 269036, 395718, 403554, 791436, 807108, 6793159, 13586318, 20379477, 27172636, 40758954, 81517908]

約数ペア:

[(1, 81517908), (2, 40758954), (3, 27172636), (4, 20379477), (6, 13586318), (12, 6793159), (101, 807108), (103, 791436), (202, 403554), (206, 395718), (303, 269036), (309, 263812), (404, 201777), (412, 197859), (606, 134518), (618, 131906), (653, 124836), (1212, 67259), (1236, 65953), (1306, 62418), (1959, 41612), (2612, 31209), (3918, 20806), (7836, 10403)]