91637420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{654553}}^1$

素因数の和:654569

約数の個数: 24

約数和(自身を含む): 219930144

約数和(自身を除く): 128292724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 654553, 1309106, 2618212, 3272765, 4581871, 6545530, 9163742, 13091060, 18327484, 22909355, 45818710, 91637420]

約数ペア:

[(1, 91637420), (2, 45818710), (4, 22909355), (5, 18327484), (7, 13091060), (10, 9163742), (14, 6545530), (20, 4581871), (28, 3272765), (35, 2618212), (70, 1309106), (140, 654553)]