31890190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2273}}^1$

素因数の和:2364

約数の個数: 32

約数和(自身を含む): 60906816

約数和(自身を除く): 29016626

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 610, 1403, 2273, 2806, 4546, 7015, 11365, 14030, 22730, 52279, 104558, 138653, 261395, 277306, 522790, 693265, 1386530, 3189019, 6378038, 15945095, 31890190]

約数ペア:

[(1, 31890190), (2, 15945095), (5, 6378038), (10, 3189019), (23, 1386530), (46, 693265), (61, 522790), (115, 277306), (122, 261395), (230, 138653), (305, 104558), (610, 52279), (1403, 22730), (2273, 14030), (2806, 11365), (4546, 7015)]