81670396

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 153216000

約数和(自身を除く): 71545604

約数列:

[1, 2, 4, 37, 47, 59, 74, 94, 118, 148, 188, 199, 236, 398, 796, 1739, 2183, 2773, 3478, 4366, 5546, 6956, 7363, 8732, 9353, 11092, 11741, 14726, 18706, 23482, 29452, 37412, 46964, 102601, 205202, 346061, 410404, 434417, 551827, 692122, 868834, 1103654, 1384244, 1737668, 2207308, 20417599, 40835198, 81670396]

約数ペア:

[(1, 81670396), (2, 40835198), (4, 20417599), (37, 2207308), (47, 1737668), (59, 1384244), (74, 1103654), (94, 868834), (118, 692122), (148, 551827), (188, 434417), (199, 410404), (236, 346061), (398, 205202), (796, 102601), (1739, 46964), (2183, 37412), (2773, 29452), (3478, 23482), (4366, 18706), (5546, 14726), (6956, 11741), (7363, 11092), (8732, 9353)]