207864484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 393120000

約数和(自身を除く): 185255516

約数列:

[1, 2, 4, 19, 38, 76, 79, 89, 158, 178, 316, 356, 389, 778, 1501, 1556, 1691, 3002, 3382, 6004, 6764, 7031, 7391, 14062, 14782, 28124, 29564, 30731, 34621, 61462, 69242, 122924, 133589, 138484, 267178, 534356, 583889, 657799, 1167778, 1315598, 2335556, 2631196, 2735059, 5470118, 10940236, 51966121, 103932242, 207864484]

約数ペア:

[(1, 207864484), (2, 103932242), (4, 51966121), (19, 10940236), (38, 5470118), (76, 2735059), (79, 2631196), (89, 2335556), (158, 1315598), (178, 1167778), (316, 657799), (356, 583889), (389, 534356), (778, 267178), (1501, 138484), (1556, 133589), (1691, 122924), (3002, 69242), (3382, 61462), (6004, 34621), (6764, 30731), (7031, 29564), (7391, 28124), (14062, 14782)]