215537928

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:818

約数の個数: 64

約数和(自身を含む): 549918720

約数和(自身を除く): 334380792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 311, 402, 431, 536, 622, 804, 862, 933, 1244, 1293, 1608, 1724, 1866, 2488, 2586, 3448, 3732, 5172, 7464, 10344, 20837, 28877, 41674, 57754, 62511, 83348, 86631, 115508, 125022, 134041, 166696, 173262, 231016, 250044, 268082, 346524, 402123, 500088, 536164, 693048, 804246, 1072328, 1608492, 3216984, 8980747, 17961494, 26942241, 35922988, 53884482, 71845976, 107768964, 215537928]

約数ペア:

[(1, 215537928), (2, 107768964), (3, 71845976), (4, 53884482), (6, 35922988), (8, 26942241), (12, 17961494), (24, 8980747), (67, 3216984), (134, 1608492), (201, 1072328), (268, 804246), (311, 693048), (402, 536164), (431, 500088), (536, 402123), (622, 346524), (804, 268082), (862, 250044), (933, 231016), (1244, 173262), (1293, 166696), (1608, 134041), (1724, 125022), (1866, 115508), (2488, 86631), (2586, 83348), (3448, 62511), (3732, 57754), (5172, 41674), (7464, 28877), (10344, 20837)]