28357390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 53706240

約数和(自身を除く): 25348850

約数列:

[1, 2, 5, 10, 23, 46, 115, 139, 230, 278, 695, 887, 1390, 1774, 3197, 4435, 6394, 8870, 15985, 20401, 31970, 40802, 102005, 123293, 204010, 246586, 616465, 1232930, 2835739, 5671478, 14178695, 28357390]

約数ペア:

[(1, 28357390), (2, 14178695), (5, 5671478), (10, 2835739), (23, 1232930), (46, 616465), (115, 246586), (139, 204010), (230, 123293), (278, 102005), (695, 40802), (887, 31970), (1390, 20401), (1774, 15985), (3197, 8870), (4435, 6394)]