2019816001

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 2446000128

約数和(自身を除く): 426184127

約数列:

[1, 7, 23, 127, 161, 173, 571, 889, 1211, 2921, 3979, 3997, 13133, 20447, 21971, 27853, 72517, 91931, 98783, 153797, 505333, 507619, 691481, 1667891, 2272009, 3537331, 11675237, 12545441, 15904063, 87818087, 288545143, 2019816001]

約数ペア:

[(1, 2019816001), (7, 288545143), (23, 87818087), (127, 15904063), (161, 12545441), (173, 11675237), (571, 3537331), (889, 2272009), (1211, 1667891), (2921, 691481), (3979, 507619), (3997, 505333), (13133, 153797), (20447, 98783), (21971, 91931), (27853, 72517)]