402558

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1$

素因数の和:428

約数の個数: 24

約数和(自身を含む): 874008

約数和(自身を除く): 471450

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 397, 507, 794, 1014, 1191, 2382, 5161, 10322, 15483, 30966, 67093, 134186, 201279, 402558]

約数ペア:

[(1, 402558), (2, 201279), (3, 134186), (6, 67093), (13, 30966), (26, 15483), (39, 10322), (78, 5161), (169, 2382), (338, 1191), (397, 1014), (507, 794)]