3978136816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{205993}}^1$

素因数の和:206089

約数の個数: 40

約数和(自身を含む): 8276014944

約数和(自身を除く): 4297878128

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 1136, 1207, 2414, 4828, 9656, 19312, 205993, 411986, 823972, 1647944, 3295888, 3501881, 7003762, 14007524, 14625503, 28015048, 29251006, 56030096, 58502012, 117004024, 234008048, 248633551, 497267102, 994534204, 1989068408, 3978136816]

約数ペア:

[(1, 3978136816), (2, 1989068408), (4, 994534204), (8, 497267102), (16, 248633551), (17, 234008048), (34, 117004024), (68, 58502012), (71, 56030096), (136, 29251006), (142, 28015048), (272, 14625503), (284, 14007524), (568, 7003762), (1136, 3501881), (1207, 3295888), (2414, 1647944), (4828, 823972), (9656, 411986), (19312, 205993)]