1997789017

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{2749}}^1$

素因数の和:3001

約数の個数: 32

約数和(自身を含む): 2509056000

約数和(自身を除く): 511266983

約数列:

[1, 7, 17, 31, 119, 197, 217, 527, 1379, 2749, 3349, 3689, 6107, 19243, 23443, 42749, 46733, 85219, 103819, 327131, 541553, 596533, 726733, 1448723, 3790871, 9206401, 10141061, 16788143, 64444807, 117517001, 285398431, 1997789017]

約数ペア:

[(1, 1997789017), (7, 285398431), (17, 117517001), (31, 64444807), (119, 16788143), (197, 10141061), (217, 9206401), (527, 3790871), (1379, 1448723), (2749, 726733), (3349, 596533), (3689, 541553), (6107, 327131), (19243, 103819), (23443, 85219), (42749, 46733)]