71292988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:694

約数の個数: 36

約数和(自身を含む): 135949968

約数和(自身を除く): 64656980

約数列:

[1, 2, 4, 13, 26, 52, 169, 263, 338, 401, 526, 676, 802, 1052, 1604, 3419, 5213, 6838, 10426, 13676, 20852, 44447, 67769, 88894, 105463, 135538, 177788, 210926, 271076, 421852, 1371019, 2742038, 5484076, 17823247, 35646494, 71292988]

約数ペア:

[(1, 71292988), (2, 35646494), (4, 17823247), (13, 5484076), (26, 2742038), (52, 1371019), (169, 421852), (263, 271076), (338, 210926), (401, 177788), (526, 135538), (676, 105463), (802, 88894), (1052, 67769), (1604, 44447), (3419, 20852), (5213, 13676), (6838, 10426)]