1300816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 2901600

約数和(自身を除く): 1600784

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 389, 418, 778, 836, 1556, 1672, 3112, 3344, 4279, 6224, 7391, 8558, 14782, 17116, 29564, 34232, 59128, 68464, 81301, 118256, 162602, 325204, 650408, 1300816]

約数ペア:

[(1, 1300816), (2, 650408), (4, 325204), (8, 162602), (11, 118256), (16, 81301), (19, 68464), (22, 59128), (38, 34232), (44, 29564), (76, 17116), (88, 14782), (152, 8558), (176, 7391), (209, 6224), (304, 4279), (389, 3344), (418, 3112), (778, 1672), (836, 1556)]