81392610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208699}}^1$

素因数の和:208722

約数の個数: 32

約数和(自身を含む): 210369600

約数和(自身を除く): 128976990

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 208699, 417398, 626097, 1043495, 1252194, 2086990, 2713087, 3130485, 5426174, 6260970, 8139261, 13565435, 16278522, 27130870, 40696305, 81392610]

約数ペア:

[(1, 81392610), (2, 40696305), (3, 27130870), (5, 16278522), (6, 13565435), (10, 8139261), (13, 6260970), (15, 5426174), (26, 3130485), (30, 2713087), (39, 2086990), (65, 1252194), (78, 1043495), (130, 626097), (195, 417398), (390, 208699)]