81807196

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{22699}}^1$

素因数の和:22773

約数の個数: 24

約数和(自身を含む): 154450800

約数和(自身を除く): 72643604

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 22699, 45398, 90796, 385883, 771766, 1203047, 1543532, 2406094, 4812188, 20451799, 40903598, 81807196]

約数ペア:

[(1, 81807196), (2, 40903598), (4, 20451799), (17, 4812188), (34, 2406094), (53, 1543532), (68, 1203047), (106, 771766), (212, 385883), (901, 90796), (1802, 45398), (3604, 22699)]