39991016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{683}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 81012960

約数和(自身を除く): 41021944

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 563, 683, 1126, 1366, 2252, 2732, 4504, 5464, 7319, 8879, 14638, 17758, 29276, 35516, 58552, 71032, 384529, 769058, 1538116, 3076232, 4998877, 9997754, 19995508, 39991016]

約数ペア:

[(1, 39991016), (2, 19995508), (4, 9997754), (8, 4998877), (13, 3076232), (26, 1538116), (52, 769058), (104, 384529), (563, 71032), (683, 58552), (1126, 35516), (1366, 29276), (2252, 17758), (2732, 14638), (4504, 8879), (5464, 7319)]