253674460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{975671}}^1$

素因数の和:975693

約数の個数: 24

約数和(自身を含む): 573695136

約数和(自身を除く): 320020676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 975671, 1951342, 3902684, 4878355, 9756710, 12683723, 19513420, 25367446, 50734892, 63418615, 126837230, 253674460]

約数ペア:

[(1, 253674460), (2, 126837230), (4, 63418615), (5, 50734892), (10, 25367446), (13, 19513420), (20, 12683723), (26, 9756710), (52, 4878355), (65, 3902684), (130, 1951342), (260, 975671)]