31413928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43151}}^1$

素因数の和:43177

約数の個数: 32

約数和(自身を含む): 72495360

約数和(自身を除く): 41081432

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 43151, 86302, 172604, 302057, 345208, 560963, 604114, 1121926, 1208228, 2243852, 2416456, 3926741, 4487704, 7853482, 15706964, 31413928]

約数ペア:

[(1, 31413928), (2, 15706964), (4, 7853482), (7, 4487704), (8, 3926741), (13, 2416456), (14, 2243852), (26, 1208228), (28, 1121926), (52, 604114), (56, 560963), (91, 345208), (104, 302057), (182, 172604), (364, 86302), (728, 43151)]