9988181008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{106949}}^1$

素因数の和:107419

約数の個数: 40

約数和(自身を含む): 20887335000

約数和(自身を除く): 10899153992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 449, 898, 1796, 3592, 5837, 7184, 11674, 23348, 46696, 93392, 106949, 213898, 427796, 855592, 1390337, 1711184, 2780674, 5561348, 11122696, 22245392, 48020101, 96040202, 192080404, 384160808, 624261313, 768321616, 1248522626, 2497045252, 4994090504, 9988181008]

約数ペア:

[(1, 9988181008), (2, 4994090504), (4, 2497045252), (8, 1248522626), (13, 768321616), (16, 624261313), (26, 384160808), (52, 192080404), (104, 96040202), (208, 48020101), (449, 22245392), (898, 11122696), (1796, 5561348), (3592, 2780674), (5837, 1711184), (7184, 1390337), (11674, 855592), (23348, 427796), (46696, 213898), (93392, 106949)]