208119709

素因数分解:

$7^3\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 268979200

約数和(自身を除く): 60859491

約数列:

[1, 7, 23, 31, 37, 49, 161, 217, 259, 343, 529, 713, 851, 1127, 1147, 1519, 1813, 3703, 4991, 5957, 7889, 8029, 10633, 12691, 16399, 19573, 25921, 26381, 34937, 41699, 56203, 114793, 137011, 181447, 184667, 244559, 291893, 393421, 606763, 803551, 959077, 1292669, 4247341, 5624857, 6713539, 9048683, 29731387, 208119709]

約数ペア:

[(1, 208119709), (7, 29731387), (23, 9048683), (31, 6713539), (37, 5624857), (49, 4247341), (161, 1292669), (217, 959077), (259, 803551), (343, 606763), (529, 393421), (713, 291893), (851, 244559), (1127, 184667), (1147, 181447), (1519, 137011), (1813, 114793), (3703, 56203), (4991, 41699), (5957, 34937), (7889, 26381), (8029, 25921), (10633, 19573), (12691, 16399)]