28849345

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 41944320

約数和(自身を除く): 13094975

約数列:

[1, 5, 7, 29, 35, 43, 145, 203, 215, 301, 661, 1015, 1247, 1505, 3305, 4627, 6235, 8729, 19169, 23135, 28423, 43645, 95845, 134183, 142115, 198961, 670915, 824267, 994805, 4121335, 5769869, 28849345]

約数ペア:

[(1, 28849345), (5, 5769869), (7, 4121335), (29, 994805), (35, 824267), (43, 670915), (145, 198961), (203, 142115), (215, 134183), (301, 95845), (661, 43645), (1015, 28423), (1247, 23135), (1505, 19169), (3305, 8729), (4627, 6235)]