489716630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{8243}}^1$

素因数の和:8720

約数の個数: 32

約数和(自身を含む): 951489504

約数和(自身を除く): 461772874

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 457, 914, 2285, 4570, 5941, 8243, 11882, 16486, 29705, 41215, 59410, 82430, 107159, 214318, 535795, 1071590, 3767051, 7534102, 18835255, 37670510, 48971663, 97943326, 244858315, 489716630]

約数ペア:

[(1, 489716630), (2, 244858315), (5, 97943326), (10, 48971663), (13, 37670510), (26, 18835255), (65, 7534102), (130, 3767051), (457, 1071590), (914, 535795), (2285, 214318), (4570, 107159), (5941, 82430), (8243, 59410), (11882, 41215), (16486, 29705)]