12928645

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 17498880

約数和(自身を除く): 4570235

約数列:

[1, 5, 19, 23, 61, 95, 97, 115, 305, 437, 485, 1159, 1403, 1843, 2185, 2231, 5795, 5917, 7015, 9215, 11155, 26657, 29585, 42389, 112423, 133285, 136091, 211945, 562115, 680455, 2585729, 12928645]

約数ペア:

[(1, 12928645), (5, 2585729), (19, 680455), (23, 562115), (61, 211945), (95, 136091), (97, 133285), (115, 112423), (305, 42389), (437, 29585), (485, 26657), (1159, 11155), (1403, 9215), (1843, 7015), (2185, 5917), (2231, 5795)]