81375476

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 180651240

約数和(自身を除く): 99275764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 109, 182, 196, 218, 293, 364, 436, 586, 637, 763, 1172, 1274, 1417, 1526, 2051, 2548, 2834, 3052, 3809, 4102, 5341, 5668, 7618, 8204, 9919, 10682, 14357, 15236, 19838, 21364, 26663, 28714, 31937, 39676, 53326, 57428, 63874, 69433, 106652, 127748, 138866, 186641, 223559, 277732, 373282, 415181, 447118, 746564, 830362, 894236, 1564913, 1660724, 2906267, 3129826, 5812534, 6259652, 11625068, 20343869, 40687738, 81375476]

約数ペア:

[(1, 81375476), (2, 40687738), (4, 20343869), (7, 11625068), (13, 6259652), (14, 5812534), (26, 3129826), (28, 2906267), (49, 1660724), (52, 1564913), (91, 894236), (98, 830362), (109, 746564), (182, 447118), (196, 415181), (218, 373282), (293, 277732), (364, 223559), (436, 186641), (586, 138866), (637, 127748), (763, 106652), (1172, 69433), (1274, 63874), (1417, 57428), (1526, 53326), (2051, 39676), (2548, 31937), (2834, 28714), (3052, 26663), (3809, 21364), (4102, 19838), (5341, 15236), (5668, 14357), (7618, 10682), (8204, 9919)]