201991024

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{661}}^1$

素因数の和:1009

約数の個数: 40

約数和(自身を含む): 398947680

約数和(自身を除く): 196956656

約数列:

[1, 2, 4, 8, 16, 71, 142, 269, 284, 538, 568, 661, 1076, 1136, 1322, 2152, 2644, 4304, 5288, 10576, 19099, 38198, 46931, 76396, 93862, 152792, 177809, 187724, 305584, 355618, 375448, 711236, 750896, 1422472, 2844944, 12624439, 25248878, 50497756, 100995512, 201991024]

約数ペア:

[(1, 201991024), (2, 100995512), (4, 50497756), (8, 25248878), (16, 12624439), (71, 2844944), (142, 1422472), (269, 750896), (284, 711236), (538, 375448), (568, 355618), (661, 305584), (1076, 187724), (1136, 177809), (1322, 152792), (2152, 93862), (2644, 76396), (4304, 46931), (5288, 38198), (10576, 19099)]