77998990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9547}}^1$

素因数の和:9616

約数の個数: 32

約数和(自身を含む): 151240320

約数和(自身を除く): 73241330

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 9547, 19094, 47735, 95470, 181393, 362786, 410521, 821042, 906965, 1813930, 2052605, 4105210, 7799899, 15599798, 38999495, 77998990]

約数ペア:

[(1, 77998990), (2, 38999495), (5, 15599798), (10, 7799899), (19, 4105210), (38, 2052605), (43, 1813930), (86, 906965), (95, 821042), (190, 410521), (215, 362786), (430, 181393), (817, 95470), (1634, 47735), (4085, 19094), (8170, 9547)]