218762502

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73361}}^1$

素因数の和:73444

約数の個数: 32

約数和(自身を含む): 507078144

約数和(自身を除く): 288315642

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 73361, 146722, 220083, 440166, 513527, 1027054, 1540581, 3081162, 5208631, 10417262, 15625893, 31251786, 36460417, 72920834, 109381251, 218762502]

約数ペア:

[(1, 218762502), (2, 109381251), (3, 72920834), (6, 36460417), (7, 31251786), (14, 15625893), (21, 10417262), (42, 5208631), (71, 3081162), (142, 1540581), (213, 1027054), (426, 513527), (497, 440166), (994, 220083), (1491, 146722), (2982, 73361)]