81672488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31607}}^1$

素因数の和:31649

約数の個数: 32

約数和(自身を含む): 170683200

約数和(自身を除く): 89010712

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 31607, 63214, 126428, 252856, 537319, 600533, 1074638, 1201066, 2149276, 2402132, 4298552, 4804264, 10209061, 20418122, 40836244, 81672488]

約数ペア:

[(1, 81672488), (2, 40836244), (4, 20418122), (8, 10209061), (17, 4804264), (19, 4298552), (34, 2402132), (38, 2149276), (68, 1201066), (76, 1074638), (136, 600533), (152, 537319), (323, 252856), (646, 126428), (1292, 63214), (2584, 31607)]