81209664

素因数分解:

$2^6\times 3^2\times {\mathrm{140989}}^1$

素因数の和:141007

約数の個数: 42

約数和(自身を含む): 232774490

約数和(自身を除く): 151564826

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 140989, 281978, 422967, 563956, 845934, 1127912, 1268901, 1691868, 2255824, 2537802, 3383736, 4511648, 5075604, 6767472, 9023296, 10151208, 13534944, 20302416, 27069888, 40604832, 81209664]

約数ペア:

[(1, 81209664), (2, 40604832), (3, 27069888), (4, 20302416), (6, 13534944), (8, 10151208), (9, 9023296), (12, 6767472), (16, 5075604), (18, 4511648), (24, 3383736), (32, 2537802), (36, 2255824), (48, 1691868), (64, 1268901), (72, 1127912), (96, 845934), (144, 563956), (192, 422967), (288, 281978), (576, 140989)]