39985015

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 56770560

約数和(自身を除く): 16785545

約数列:

[1, 5, 7, 35, 47, 109, 223, 235, 329, 545, 763, 1115, 1561, 1645, 3815, 5123, 7805, 10481, 24307, 25615, 35861, 52405, 73367, 121535, 170149, 179305, 366835, 850745, 1142429, 5712145, 7997003, 39985015]

約数ペア:

[(1, 39985015), (5, 7997003), (7, 5712145), (35, 1142429), (47, 850745), (109, 366835), (223, 179305), (235, 170149), (329, 121535), (545, 73367), (763, 52405), (1115, 35861), (1561, 25615), (1645, 24307), (3815, 10481), (5123, 7805)]