639156969136

素因数分解:

$2^4\times 7^1\times {\mathrm{62401}}^1\times {\mathrm{91453}}^1$

素因数の和:153869

約数の個数: 40

約数和(自身を含む): 1415314301984

約数和(自身を除く): 776157332848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 62401, 91453, 124802, 182906, 249604, 365812, 436807, 499208, 640171, 731624, 873614, 998416, 1280342, 1463248, 1747228, 2560684, 3494456, 5121368, 6988912, 10242736, 5706758653, 11413517306, 22827034612, 39947310571, 45654069224, 79894621142, 91308138448, 159789242284, 319578484568, 639156969136]

約数ペア:

[(1, 639156969136), (2, 319578484568), (4, 159789242284), (7, 91308138448), (8, 79894621142), (14, 45654069224), (16, 39947310571), (28, 22827034612), (56, 11413517306), (112, 5706758653), (62401, 10242736), (91453, 6988912), (124802, 5121368), (182906, 3494456), (249604, 2560684), (365812, 1747228), (436807, 1463248), (499208, 1280342), (640171, 998416), (731624, 873614)]