389624368

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{383}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 895942656

約数和(自身を除く): 506318288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 293, 383, 434, 496, 586, 766, 868, 1172, 1532, 1736, 2051, 2344, 2681, 3064, 3472, 4102, 4688, 5362, 6128, 8204, 9083, 10724, 11873, 16408, 18166, 21448, 23746, 32816, 36332, 42896, 47492, 63581, 72664, 83111, 94984, 112219, 127162, 145328, 166222, 189968, 224438, 254324, 332444, 448876, 508648, 664888, 785533, 897752, 1017296, 1329776, 1571066, 1795504, 3142132, 3478789, 6284264, 6957578, 12568528, 13915156, 24351523, 27830312, 48703046, 55660624, 97406092, 194812184, 389624368]

約数ペア:

[(1, 389624368), (2, 194812184), (4, 97406092), (7, 55660624), (8, 48703046), (14, 27830312), (16, 24351523), (28, 13915156), (31, 12568528), (56, 6957578), (62, 6284264), (112, 3478789), (124, 3142132), (217, 1795504), (248, 1571066), (293, 1329776), (383, 1017296), (434, 897752), (496, 785533), (586, 664888), (766, 508648), (868, 448876), (1172, 332444), (1532, 254324), (1736, 224438), (2051, 189968), (2344, 166222), (2681, 145328), (3064, 127162), (3472, 112219), (4102, 94984), (4688, 83111), (5362, 72664), (6128, 63581), (8204, 47492), (9083, 42896), (10724, 36332), (11873, 32816), (16408, 23746), (18166, 21448)]