813375028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 1520870400

約数和(自身を除く): 707495372

約数列:

[1, 2, 4, 19, 38, 76, 137, 191, 274, 382, 409, 548, 764, 818, 1636, 2603, 3629, 5206, 7258, 7771, 10412, 14516, 15542, 26167, 31084, 52334, 56033, 78119, 104668, 112066, 156238, 224132, 312476, 497173, 994346, 1064627, 1484261, 1988692, 2129254, 2968522, 4258508, 5937044, 10702303, 21404606, 42809212, 203343757, 406687514, 813375028]

約数ペア:

[(1, 813375028), (2, 406687514), (4, 203343757), (19, 42809212), (38, 21404606), (76, 10702303), (137, 5937044), (191, 4258508), (274, 2968522), (382, 2129254), (409, 1988692), (548, 1484261), (764, 1064627), (818, 994346), (1636, 497173), (2603, 312476), (3629, 224132), (5206, 156238), (7258, 112066), (7771, 104668), (10412, 78119), (14516, 56033), (15542, 52334), (26167, 31084)]