8342490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21391}}^1$

素因数の和:21414

約数の個数: 32

約数和(自身を含む): 21563136

約数和(自身を除く): 13220646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 21391, 42782, 64173, 106955, 128346, 213910, 278083, 320865, 556166, 641730, 834249, 1390415, 1668498, 2780830, 4171245, 8342490]

約数ペア:

[(1, 8342490), (2, 4171245), (3, 2780830), (5, 1668498), (6, 1390415), (10, 834249), (13, 641730), (15, 556166), (26, 320865), (30, 278083), (39, 213910), (65, 128346), (78, 106955), (130, 64173), (195, 42782), (390, 21391)]