31186870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 66878784

約数和(自身を除く): 35691914

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 113, 130, 143, 193, 226, 286, 386, 565, 715, 965, 1130, 1243, 1430, 1469, 1930, 2123, 2486, 2509, 2938, 4246, 5018, 6215, 7345, 10615, 12430, 12545, 14690, 16159, 21230, 21809, 25090, 27599, 32318, 43618, 55198, 80795, 109045, 137995, 161590, 218090, 239899, 275990, 283517, 479798, 567034, 1199495, 1417585, 2398990, 2835170, 3118687, 6237374, 15593435, 31186870]

約数ペア:

[(1, 31186870), (2, 15593435), (5, 6237374), (10, 3118687), (11, 2835170), (13, 2398990), (22, 1417585), (26, 1199495), (55, 567034), (65, 479798), (110, 283517), (113, 275990), (130, 239899), (143, 218090), (193, 161590), (226, 137995), (286, 109045), (386, 80795), (565, 55198), (715, 43618), (965, 32318), (1130, 27599), (1243, 25090), (1430, 21809), (1469, 21230), (1930, 16159), (2123, 14690), (2486, 12545), (2509, 12430), (2938, 10615), (4246, 7345), (5018, 6215)]