201942016

素因数分解:

$2^{10}\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1210

約数の個数: 44

約数和(自身を含む): 406124800

約数和(自身を除く): 204182784

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 398, 512, 796, 991, 1024, 1592, 1982, 3184, 3964, 6368, 7928, 12736, 15856, 25472, 31712, 50944, 63424, 101888, 126848, 197209, 203776, 253696, 394418, 507392, 788836, 1014784, 1577672, 3155344, 6310688, 12621376, 25242752, 50485504, 100971008, 201942016]

約数ペア:

[(1, 201942016), (2, 100971008), (4, 50485504), (8, 25242752), (16, 12621376), (32, 6310688), (64, 3155344), (128, 1577672), (199, 1014784), (256, 788836), (398, 507392), (512, 394418), (796, 253696), (991, 203776), (1024, 197209), (1592, 126848), (1982, 101888), (3184, 63424), (3964, 50944), (6368, 31712), (7928, 25472), (12736, 15856)]