25781404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{30839}}^1$

素因数の和:30873

約数の個数: 24

約数和(自身を含む): 51811200

約数和(自身を除く): 26029796

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 30839, 61678, 123356, 339229, 585941, 678458, 1171882, 1356916, 2343764, 6445351, 12890702, 25781404]

約数ペア:

[(1, 25781404), (2, 12890702), (4, 6445351), (11, 2343764), (19, 1356916), (22, 1171882), (38, 678458), (44, 585941), (76, 339229), (209, 123356), (418, 61678), (836, 30839)]