81670330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{631}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 172278144

約数和(自身を除く): 90607814

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 631, 1262, 1505, 1849, 3010, 3155, 3698, 4417, 6310, 8834, 9245, 12943, 18490, 22085, 25886, 27133, 44170, 54266, 64715, 129430, 135665, 189931, 271330, 379862, 949655, 1166719, 1899310, 2333438, 5833595, 8167033, 11667190, 16334066, 40835165, 81670330]

約数ペア:

[(1, 81670330), (2, 40835165), (5, 16334066), (7, 11667190), (10, 8167033), (14, 5833595), (35, 2333438), (43, 1899310), (70, 1166719), (86, 949655), (215, 379862), (301, 271330), (430, 189931), (602, 135665), (631, 129430), (1262, 64715), (1505, 54266), (1849, 44170), (3010, 27133), (3155, 25886), (3698, 22085), (4417, 18490), (6310, 12943), (8834, 9245)]