28545244

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 66361680

約数和(自身を除く): 37816436

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 182, 196, 221, 238, 364, 442, 476, 637, 659, 833, 884, 1274, 1318, 1547, 1666, 2548, 2636, 3094, 3332, 4613, 6188, 8567, 9226, 10829, 11203, 17134, 18452, 21658, 22406, 32291, 34268, 43316, 44812, 59969, 64582, 78421, 119938, 129164, 145639, 156842, 239876, 291278, 313684, 419783, 548947, 582556, 839566, 1019473, 1097894, 1679132, 2038946, 2195788, 4077892, 7136311, 14272622, 28545244]

約数ペア:

[(1, 28545244), (2, 14272622), (4, 7136311), (7, 4077892), (13, 2195788), (14, 2038946), (17, 1679132), (26, 1097894), (28, 1019473), (34, 839566), (49, 582556), (52, 548947), (68, 419783), (91, 313684), (98, 291278), (119, 239876), (182, 156842), (196, 145639), (221, 129164), (238, 119938), (364, 78421), (442, 64582), (476, 59969), (637, 44812), (659, 43316), (833, 34268), (884, 32291), (1274, 22406), (1318, 21658), (1547, 18452), (1666, 17134), (2548, 11203), (2636, 10829), (3094, 9226), (3332, 8567), (4613, 6188)]