51391278

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 115754496

約数和(自身を除く): 64363218

約数列:

[1, 2, 3, 6, 9, 18, 43, 67, 86, 129, 134, 201, 258, 387, 402, 603, 774, 991, 1206, 1982, 2881, 2973, 5762, 5946, 8643, 8919, 17286, 17838, 25929, 42613, 51858, 66397, 85226, 127839, 132794, 199191, 255678, 383517, 398382, 597573, 767034, 1195146, 2855071, 5710142, 8565213, 17130426, 25695639, 51391278]

約数ペア:

[(1, 51391278), (2, 25695639), (3, 17130426), (6, 8565213), (9, 5710142), (18, 2855071), (43, 1195146), (67, 767034), (86, 597573), (129, 398382), (134, 383517), (201, 255678), (258, 199191), (387, 132794), (402, 127839), (603, 85226), (774, 66397), (991, 51858), (1206, 42613), (1982, 25929), (2881, 17838), (2973, 17286), (5762, 8919), (5946, 8643)]