40640726

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1171}}^1$

素因数の和:1284

約数の個数: 32

約数和(自身を含む): 72682752

約数和(自身を除く): 32042026

約数列:

[1, 2, 7, 14, 37, 67, 74, 134, 259, 469, 518, 938, 1171, 2342, 2479, 4958, 8197, 16394, 17353, 34706, 43327, 78457, 86654, 156914, 303289, 549199, 606578, 1098398, 2902909, 5805818, 20320363, 40640726]

約数ペア:

[(1, 40640726), (2, 20320363), (7, 5805818), (14, 2902909), (37, 1098398), (67, 606578), (74, 549199), (134, 303289), (259, 156914), (469, 86654), (518, 78457), (938, 43327), (1171, 34706), (2342, 17353), (2479, 16394), (4958, 8197)]