998193215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12347}}^1$

素因数の和:12431

約数の個数: 32

約数和(自身を含む): 1351365120

約数和(自身を除く): 353171905

約数列:

[1, 5, 19, 23, 37, 95, 115, 185, 437, 703, 851, 2185, 3515, 4255, 12347, 16169, 61735, 80845, 234593, 283981, 456839, 1172965, 1419905, 2284195, 5395639, 8679941, 10507297, 26978195, 43399705, 52536485, 199638643, 998193215]

約数ペア:

[(1, 998193215), (5, 199638643), (19, 52536485), (23, 43399705), (37, 26978195), (95, 10507297), (115, 8679941), (185, 5395639), (437, 2284195), (703, 1419905), (851, 1172965), (2185, 456839), (3515, 283981), (4255, 234593), (12347, 80845), (16169, 61735)]