78972190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23159}}^1$

素因数の和:23208

約数の個数: 32

約数和(自身を含む): 160081920

約数和(自身を除く): 81109730

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 23159, 46318, 115795, 231590, 254749, 509498, 717929, 1273745, 1435858, 2547490, 3589645, 7179290, 7897219, 15794438, 39486095, 78972190]

約数ペア:

[(1, 78972190), (2, 39486095), (5, 15794438), (10, 7897219), (11, 7179290), (22, 3589645), (31, 2547490), (55, 1435858), (62, 1273745), (110, 717929), (155, 509498), (310, 254749), (341, 231590), (682, 115795), (1705, 46318), (3410, 23159)]