81905736

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{557}}^2$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 223781040

約数和(自身を除く): 141875304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 557, 1114, 1671, 2228, 3342, 4456, 6127, 6684, 12254, 13368, 18381, 24508, 36762, 49016, 73524, 147048, 310249, 620498, 930747, 1240996, 1861494, 2481992, 3412739, 3722988, 6825478, 7445976, 10238217, 13650956, 20476434, 27301912, 40952868, 81905736]

約数ペア:

[(1, 81905736), (2, 40952868), (3, 27301912), (4, 20476434), (6, 13650956), (8, 10238217), (11, 7445976), (12, 6825478), (22, 3722988), (24, 3412739), (33, 2481992), (44, 1861494), (66, 1240996), (88, 930747), (132, 620498), (264, 310249), (557, 147048), (1114, 73524), (1671, 49016), (2228, 36762), (3342, 24508), (4456, 18381), (6127, 13368), (6684, 12254)]