201721898

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1515

約数の個数: 64

約数和(自身を含む): 398131200

約数和(自身を除く): 196409302

約数列:

[1, 2, 7, 14, 17, 19, 31, 34, 38, 62, 119, 133, 217, 238, 266, 323, 434, 527, 589, 646, 1054, 1178, 1439, 2261, 2878, 3689, 4123, 4522, 7378, 8246, 10013, 10073, 20026, 20146, 24463, 27341, 44609, 48926, 54682, 70091, 89218, 140182, 171241, 191387, 312263, 342482, 382774, 464797, 624526, 758353, 847571, 929594, 1516706, 1695142, 3253579, 5308471, 5932997, 6507158, 10616942, 11865994, 14408707, 28817414, 100860949, 201721898]

約数ペア:

[(1, 201721898), (2, 100860949), (7, 28817414), (14, 14408707), (17, 11865994), (19, 10616942), (31, 6507158), (34, 5932997), (38, 5308471), (62, 3253579), (119, 1695142), (133, 1516706), (217, 929594), (238, 847571), (266, 758353), (323, 624526), (434, 464797), (527, 382774), (589, 342482), (646, 312263), (1054, 191387), (1178, 171241), (1439, 140182), (2261, 89218), (2878, 70091), (3689, 54682), (4123, 48926), (4522, 44609), (7378, 27341), (8246, 24463), (10013, 20146), (10073, 20026)]