261635704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{7489}}^1$

素因数の和:7903

約数の個数: 32

約数和(自身を含む): 536583600

約数和(自身を除く): 274947896

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 397, 794, 1588, 3176, 4367, 7489, 8734, 14978, 17468, 29956, 34936, 59912, 82379, 164758, 329516, 659032, 2973133, 5946266, 11892532, 23785064, 32704463, 65408926, 130817852, 261635704]

約数ペア:

[(1, 261635704), (2, 130817852), (4, 65408926), (8, 32704463), (11, 23785064), (22, 11892532), (44, 5946266), (88, 2973133), (397, 659032), (794, 329516), (1588, 164758), (3176, 82379), (4367, 59912), (7489, 34936), (8734, 29956), (14978, 17468)]