42128216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7643}}^1$

素因数の和:7715

約数の個数: 32

約数和(自身を含む): 86682960

約数和(自身を除く): 44554744

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 7643, 15286, 30572, 61144, 99359, 198718, 397436, 405079, 794872, 810158, 1620316, 3240632, 5266027, 10532054, 21064108, 42128216]

約数ペア:

[(1, 42128216), (2, 21064108), (4, 10532054), (8, 5266027), (13, 3240632), (26, 1620316), (52, 810158), (53, 794872), (104, 405079), (106, 397436), (212, 198718), (424, 99359), (689, 61144), (1378, 30572), (2756, 15286), (5512, 7643)]