639409812

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{39499}}^1$

素因数の和:39596

約数の個数: 48

約数和(自身を含む): 1592640000

約数和(自身を除く): 953230188

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1349, 2698, 4047, 5396, 8094, 16188, 39499, 78998, 118497, 157996, 236994, 473988, 750481, 1500962, 2251443, 2804429, 3001924, 4502886, 5608858, 8413287, 9005772, 11217716, 16826574, 33653148, 53284151, 106568302, 159852453, 213136604, 319704906, 639409812]

約数ペア:

[(1, 639409812), (2, 319704906), (3, 213136604), (4, 159852453), (6, 106568302), (12, 53284151), (19, 33653148), (38, 16826574), (57, 11217716), (71, 9005772), (76, 8413287), (114, 5608858), (142, 4502886), (213, 3001924), (228, 2804429), (284, 2251443), (426, 1500962), (852, 750481), (1349, 473988), (2698, 236994), (4047, 157996), (5396, 118497), (8094, 78998), (16188, 39499)]