30721912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4409}}^1$

素因数の和:4495

約数の個数: 32

約数和(自身を含む): 62974800

約数和(自身を除く): 32252888

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 4409, 6968, 8818, 17636, 35272, 57317, 114634, 229268, 295403, 458536, 590806, 1181612, 2363224, 3840239, 7680478, 15360956, 30721912]

約数ペア:

[(1, 30721912), (2, 15360956), (4, 7680478), (8, 3840239), (13, 2363224), (26, 1181612), (52, 590806), (67, 458536), (104, 295403), (134, 229268), (268, 114634), (536, 57317), (871, 35272), (1742, 17636), (3484, 8818), (4409, 6968)]