30991268

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{100621}}^1$

素因数の和:100643

約数の個数: 24

約数和(自身を含む): 67617984

約数和(自身を除く): 36626716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 100621, 201242, 402484, 704347, 1106831, 1408694, 2213662, 2817388, 4427324, 7747817, 15495634, 30991268]

約数ペア:

[(1, 30991268), (2, 15495634), (4, 7747817), (7, 4427324), (11, 2817388), (14, 2213662), (22, 1408694), (28, 1106831), (44, 704347), (77, 402484), (154, 201242), (308, 100621)]