165809204

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 338198784

約数和(自身を除く): 172389580

約数列:

[1, 2, 4, 11, 22, 31, 43, 44, 62, 86, 121, 124, 172, 242, 257, 341, 473, 484, 514, 682, 946, 1028, 1333, 1364, 1892, 2666, 2827, 3751, 5203, 5332, 5654, 7502, 7967, 10406, 11051, 11308, 14663, 15004, 15934, 20812, 22102, 29326, 31097, 31868, 44204, 58652, 62194, 87637, 121561, 124388, 161293, 175274, 243122, 322586, 342581, 350548, 486244, 645172, 685162, 964007, 1337171, 1370324, 1928014, 2674342, 3768391, 3856028, 5348684, 7536782, 15073564, 41452301, 82904602, 165809204]

約数ペア:

[(1, 165809204), (2, 82904602), (4, 41452301), (11, 15073564), (22, 7536782), (31, 5348684), (43, 3856028), (44, 3768391), (62, 2674342), (86, 1928014), (121, 1370324), (124, 1337171), (172, 964007), (242, 685162), (257, 645172), (341, 486244), (473, 350548), (484, 342581), (514, 322586), (682, 243122), (946, 175274), (1028, 161293), (1333, 124388), (1364, 121561), (1892, 87637), (2666, 62194), (2827, 58652), (3751, 44204), (5203, 31868), (5332, 31097), (5654, 29326), (7502, 22102), (7967, 20812), (10406, 15934), (11051, 15004), (11308, 14663)]