31969418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 55157760

約数和(自身を除く): 23188342

約数列:

[1, 2, 13, 17, 26, 34, 151, 221, 302, 442, 479, 958, 1963, 2567, 3926, 5134, 6227, 8143, 12454, 16286, 33371, 66742, 72329, 105859, 144658, 211718, 940277, 1229593, 1880554, 2459186, 15984709, 31969418]

約数ペア:

[(1, 31969418), (2, 15984709), (13, 2459186), (17, 1880554), (26, 1229593), (34, 940277), (151, 211718), (221, 144658), (302, 105859), (442, 72329), (479, 66742), (958, 33371), (1963, 16286), (2567, 12454), (3926, 8143), (5134, 6227)]