172291990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{3407}}^1$

素因数の和:3816

約数の個数: 32

約数和(自身を含む): 334938240

約数和(自身を除く): 162646250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1945, 3407, 3890, 5057, 6814, 10114, 17035, 25285, 34070, 44291, 50570, 88582, 221455, 442910, 1325323, 2650646, 6626615, 13253230, 17229199, 34458398, 86145995, 172291990]

約数ペア:

[(1, 172291990), (2, 86145995), (5, 34458398), (10, 17229199), (13, 13253230), (26, 6626615), (65, 2650646), (130, 1325323), (389, 442910), (778, 221455), (1945, 88582), (3407, 50570), (3890, 44291), (5057, 34070), (6814, 25285), (10114, 17035)]