30719906

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 54552960

約数和(自身を除く): 23833054

約数列:

[1, 2, 7, 14, 41, 82, 109, 218, 287, 491, 574, 763, 982, 1526, 3437, 4469, 6874, 8938, 20131, 31283, 40262, 53519, 62566, 107038, 140917, 281834, 374633, 749266, 2194279, 4388558, 15359953, 30719906]

約数ペア:

[(1, 30719906), (2, 15359953), (7, 4388558), (14, 2194279), (41, 749266), (82, 374633), (109, 281834), (218, 140917), (287, 107038), (491, 62566), (574, 53519), (763, 40262), (982, 31283), (1526, 20131), (3437, 8938), (4469, 6874)]