26687990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2339}}^1$

素因数の和:2516

約数の個数: 32

約数和(自身を含む): 55261440

約数和(自身を除く): 28573450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 2282, 2339, 4678, 5705, 11410, 11695, 16373, 23390, 32746, 81865, 163730, 381257, 762514, 1906285, 2668799, 3812570, 5337598, 13343995, 26687990]

約数ペア:

[(1, 26687990), (2, 13343995), (5, 5337598), (7, 3812570), (10, 2668799), (14, 1906285), (35, 762514), (70, 381257), (163, 163730), (326, 81865), (815, 32746), (1141, 23390), (1630, 16373), (2282, 11695), (2339, 11410), (4678, 5705)]