194740287

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 337250304

約数和(自身を除く): 142510017

約数列:

[1, 3, 7, 17, 21, 23, 37, 51, 69, 111, 119, 161, 259, 357, 391, 483, 629, 641, 777, 851, 1173, 1887, 1923, 2553, 2737, 4403, 4487, 5957, 8211, 10897, 13209, 13461, 14467, 14743, 17871, 23717, 32691, 43401, 44229, 71151, 76279, 101269, 103201, 166019, 228837, 250631, 303807, 309603, 403189, 498057, 545491, 751893, 1209567, 1636473, 1754417, 2822323, 3818437, 5263251, 8466969, 9273347, 11455311, 27820041, 64913429, 194740287]

約数ペア:

[(1, 194740287), (3, 64913429), (7, 27820041), (17, 11455311), (21, 9273347), (23, 8466969), (37, 5263251), (51, 3818437), (69, 2822323), (111, 1754417), (119, 1636473), (161, 1209567), (259, 751893), (357, 545491), (391, 498057), (483, 403189), (629, 309603), (641, 303807), (777, 250631), (851, 228837), (1173, 166019), (1887, 103201), (1923, 101269), (2553, 76279), (2737, 71151), (4403, 44229), (4487, 43401), (5957, 32691), (8211, 23717), (10897, 17871), (13209, 14743), (13461, 14467)]