28708506

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{3109}}^1$

素因数の和:3145

約数の個数: 48

約数和(自身を含む): 67922400

約数和(自身を除く): 39213894

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 1026, 1539, 3078, 3109, 4617, 6218, 9234, 9327, 18654, 27981, 55962, 59071, 83943, 118142, 167886, 177213, 251829, 354426, 503658, 531639, 755487, 1063278, 1510974, 1594917, 3189834, 4784751, 9569502, 14354253, 28708506]

約数ペア:

[(1, 28708506), (2, 14354253), (3, 9569502), (6, 4784751), (9, 3189834), (18, 1594917), (19, 1510974), (27, 1063278), (38, 755487), (54, 531639), (57, 503658), (81, 354426), (114, 251829), (162, 177213), (171, 167886), (243, 118142), (342, 83943), (486, 59071), (513, 55962), (1026, 27981), (1539, 18654), (3078, 9327), (3109, 9234), (4617, 6218)]