1261997879

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4903}}^1$

素因数の和:4995

約数の個数: 24

約数和(自身を含む): 1434949632

約数和(自身を除く): 172951753

約数列:

[1, 19, 23, 31, 361, 437, 589, 713, 4903, 8303, 11191, 13547, 93157, 112769, 151993, 257393, 1769983, 2142611, 2887867, 3495839, 40709609, 54869473, 66420941, 1261997879]

約数ペア:

[(1, 1261997879), (19, 66420941), (23, 54869473), (31, 40709609), (361, 3495839), (437, 2887867), (589, 2142611), (713, 1769983), (4903, 257393), (8303, 151993), (11191, 112769), (13547, 93157)]