25897914

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 66401280

約数和(自身を除く): 40503366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 131, 189, 262, 378, 393, 523, 786, 917, 1046, 1179, 1569, 1834, 2358, 2751, 3138, 3537, 3661, 4707, 5502, 7074, 7322, 8253, 9414, 10983, 14121, 16506, 21966, 24759, 28242, 32949, 49518, 65898, 68513, 98847, 137026, 197694, 205539, 411078, 479591, 616617, 959182, 1233234, 1438773, 1849851, 2877546, 3699702, 4316319, 8632638, 12948957, 25897914]

約数ペア:

[(1, 25897914), (2, 12948957), (3, 8632638), (6, 4316319), (7, 3699702), (9, 2877546), (14, 1849851), (18, 1438773), (21, 1233234), (27, 959182), (42, 616617), (54, 479591), (63, 411078), (126, 205539), (131, 197694), (189, 137026), (262, 98847), (378, 68513), (393, 65898), (523, 49518), (786, 32949), (917, 28242), (1046, 24759), (1179, 21966), (1569, 16506), (1834, 14121), (2358, 10983), (2751, 9414), (3138, 8253), (3537, 7322), (3661, 7074), (4707, 5502)]