28243747

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 36115200

約数和(自身を除く): 7871453

約数列:

[1, 7, 19, 23, 49, 133, 161, 437, 931, 1127, 1319, 3059, 9233, 21413, 25061, 30337, 64631, 175427, 212359, 576403, 1227989, 1486513, 4034821, 28243747]

約数ペア:

[(1, 28243747), (7, 4034821), (19, 1486513), (23, 1227989), (49, 576403), (133, 212359), (161, 175427), (437, 64631), (931, 30337), (1127, 25061), (1319, 21413), (3059, 9233)]