12871638

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 30519216

約数和(自身を除く): 17647578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 821, 871, 1206, 1642, 1742, 2463, 2613, 4926, 5226, 7389, 7839, 10673, 14778, 15678, 21346, 32019, 55007, 64038, 96057, 110014, 165021, 192114, 330042, 495063, 715091, 990126, 1430182, 2145273, 4290546, 6435819, 12871638]

約数ペア:

[(1, 12871638), (2, 6435819), (3, 4290546), (6, 2145273), (9, 1430182), (13, 990126), (18, 715091), (26, 495063), (39, 330042), (67, 192114), (78, 165021), (117, 110014), (134, 96057), (201, 64038), (234, 55007), (402, 32019), (603, 21346), (821, 15678), (871, 14778), (1206, 10673), (1642, 7839), (1742, 7389), (2463, 5226), (2613, 4926)]