1425396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 3870720

約数和(自身を除く): 2445324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 239, 284, 426, 478, 497, 717, 852, 956, 994, 1434, 1491, 1673, 1988, 2868, 2982, 3346, 5019, 5964, 6692, 10038, 16969, 20076, 33938, 50907, 67876, 101814, 118783, 203628, 237566, 356349, 475132, 712698, 1425396]

約数ペア:

[(1, 1425396), (2, 712698), (3, 475132), (4, 356349), (6, 237566), (7, 203628), (12, 118783), (14, 101814), (21, 67876), (28, 50907), (42, 33938), (71, 20076), (84, 16969), (142, 10038), (213, 6692), (239, 5964), (284, 5019), (426, 3346), (478, 2982), (497, 2868), (717, 1988), (852, 1673), (956, 1491), (994, 1434)]