251728386

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{97}}^2$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 638870400

約数和(自身を除く): 387142014

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 97, 98, 147, 182, 194, 273, 291, 294, 343, 546, 582, 637, 679, 686, 1029, 1261, 1274, 1358, 1911, 2037, 2058, 2522, 3783, 3822, 4074, 4459, 4753, 7566, 8827, 8918, 9409, 9506, 13377, 14259, 17654, 18818, 26481, 26754, 28227, 28518, 33271, 52962, 56454, 61789, 65863, 66542, 99813, 122317, 123578, 131726, 185367, 197589, 199626, 244634, 366951, 370734, 395178, 432523, 461041, 733902, 856219, 865046, 922082, 1297569, 1383123, 1712438, 2568657, 2595138, 2766246, 3227287, 5137314, 5993533, 6454574, 9681861, 11987066, 17980599, 19363722, 35961198, 41954731, 83909462, 125864193, 251728386]

約数ペア:

[(1, 251728386), (2, 125864193), (3, 83909462), (6, 41954731), (7, 35961198), (13, 19363722), (14, 17980599), (21, 11987066), (26, 9681861), (39, 6454574), (42, 5993533), (49, 5137314), (78, 3227287), (91, 2766246), (97, 2595138), (98, 2568657), (147, 1712438), (182, 1383123), (194, 1297569), (273, 922082), (291, 865046), (294, 856219), (343, 733902), (546, 461041), (582, 432523), (637, 395178), (679, 370734), (686, 366951), (1029, 244634), (1261, 199626), (1274, 197589), (1358, 185367), (1911, 131726), (2037, 123578), (2058, 122317), (2522, 99813), (3783, 66542), (3822, 65863), (4074, 61789), (4459, 56454), (4753, 52962), (7566, 33271), (8827, 28518), (8918, 28227), (9409, 26754), (9506, 26481), (13377, 18818), (14259, 17654)]