397727408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83137}}^1$

素因数の和:83181

約数の個数: 40

約数和(自身を含む): 865965408

約数和(自身を除く): 468238000

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4784, 83137, 166274, 332548, 665096, 1080781, 1330192, 1912151, 2161562, 3824302, 4323124, 7648604, 8646248, 15297208, 17292496, 24857963, 30594416, 49715926, 99431852, 198863704, 397727408]

約数ペア:

[(1, 397727408), (2, 198863704), (4, 99431852), (8, 49715926), (13, 30594416), (16, 24857963), (23, 17292496), (26, 15297208), (46, 8646248), (52, 7648604), (92, 4323124), (104, 3824302), (184, 2161562), (208, 1912151), (299, 1330192), (368, 1080781), (598, 665096), (1196, 332548), (2392, 166274), (4784, 83137)]