12490690478

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{661373}}^1$

素因数の和:661472

約数の個数: 32

約数和(自身を含む): 22857085440

約数和(自身を除く): 10366394962

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 9443, 18886, 661373, 1322746, 4629611, 9259222, 12566087, 25132174, 46957483, 87962609, 93914966, 175925218, 328702381, 657404762, 892192177, 1784384354, 6245345239, 12490690478]

約数ペア:

[(1, 12490690478), (2, 6245345239), (7, 1784384354), (14, 892192177), (19, 657404762), (38, 328702381), (71, 175925218), (133, 93914966), (142, 87962609), (266, 46957483), (497, 25132174), (994, 12566087), (1349, 9259222), (2698, 4629611), (9443, 1322746), (18886, 661373)]