208790790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{535361}}^1$

素因数の和:535384

約数の個数: 32

約数和(自身を含む): 539644896

約数和(自身を除く): 330854106

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 535361, 1070722, 1606083, 2676805, 3212166, 5353610, 6959693, 8030415, 13919386, 16060830, 20879079, 34798465, 41758158, 69596930, 104395395, 208790790]

約数ペア:

[(1, 208790790), (2, 104395395), (3, 69596930), (5, 41758158), (6, 34798465), (10, 20879079), (13, 16060830), (15, 13919386), (26, 8030415), (30, 6959693), (39, 5353610), (65, 3212166), (78, 2676805), (130, 1606083), (195, 1070722), (390, 535361)]