1638976801

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{1931}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 2086189056

約数和(自身を除く): 447212255

約数列:

[1, 7, 11, 73, 77, 151, 511, 803, 1057, 1661, 1931, 5621, 11023, 11627, 13517, 21241, 77161, 121253, 140963, 148687, 291581, 848771, 986741, 1550593, 2041067, 3207391, 10854151, 21285413, 22451737, 148997891, 234139543, 1638976801]

約数ペア:

[(1, 1638976801), (7, 234139543), (11, 148997891), (73, 22451737), (77, 21285413), (151, 10854151), (511, 3207391), (803, 2041067), (1057, 1550593), (1661, 986741), (1931, 848771), (5621, 291581), (11023, 148687), (11627, 140963), (13517, 121253), (21241, 77161)]