4890906

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 11119680

約数和(自身を除く): 6228774

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 89, 129, 142, 178, 213, 258, 267, 387, 426, 534, 639, 774, 801, 1278, 1602, 3053, 3827, 6106, 6319, 7654, 9159, 11481, 12638, 18318, 18957, 22962, 27477, 34443, 37914, 54954, 56871, 68886, 113742, 271717, 543434, 815151, 1630302, 2445453, 4890906]

約数ペア:

[(1, 4890906), (2, 2445453), (3, 1630302), (6, 815151), (9, 543434), (18, 271717), (43, 113742), (71, 68886), (86, 56871), (89, 54954), (129, 37914), (142, 34443), (178, 27477), (213, 22962), (258, 18957), (267, 18318), (387, 12638), (426, 11481), (534, 9159), (639, 7654), (774, 6319), (801, 6106), (1278, 3827), (1602, 3053)]