28870530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74027}}^1$

素因数の和:74050

約数の個数: 32

約数和(自身を含む): 74620224

約数和(自身を除く): 45749694

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 74027, 148054, 222081, 370135, 444162, 740270, 962351, 1110405, 1924702, 2220810, 2887053, 4811755, 5774106, 9623510, 14435265, 28870530]

約数ペア:

[(1, 28870530), (2, 14435265), (3, 9623510), (5, 5774106), (6, 4811755), (10, 2887053), (13, 2220810), (15, 1924702), (26, 1110405), (30, 962351), (39, 740270), (65, 444162), (78, 370135), (130, 222081), (195, 148054), (390, 74027)]