201521264

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2082

約数の個数: 80

約数和(自身を含む): 481629888

約数和(自身を除く): 280108624

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 53, 56, 68, 106, 112, 119, 136, 212, 238, 272, 371, 424, 476, 742, 848, 901, 952, 1484, 1802, 1904, 1997, 2968, 3604, 3994, 5936, 6307, 7208, 7988, 12614, 13979, 14416, 15976, 25228, 27958, 31952, 33949, 50456, 55916, 67898, 100912, 105841, 111832, 135796, 211682, 223664, 237643, 271592, 423364, 475286, 543184, 740887, 846728, 950572, 1481774, 1693456, 1799297, 1901144, 2963548, 3598594, 3802288, 5927096, 7197188, 11854192, 12595079, 14394376, 25190158, 28788752, 50380316, 100760632, 201521264]

約数ペア:

[(1, 201521264), (2, 100760632), (4, 50380316), (7, 28788752), (8, 25190158), (14, 14394376), (16, 12595079), (17, 11854192), (28, 7197188), (34, 5927096), (53, 3802288), (56, 3598594), (68, 2963548), (106, 1901144), (112, 1799297), (119, 1693456), (136, 1481774), (212, 950572), (238, 846728), (272, 740887), (371, 543184), (424, 475286), (476, 423364), (742, 271592), (848, 237643), (901, 223664), (952, 211682), (1484, 135796), (1802, 111832), (1904, 105841), (1997, 100912), (2968, 67898), (3604, 55916), (3994, 50456), (5936, 33949), (6307, 31952), (7208, 27958), (7988, 25228), (12614, 15976), (13979, 14416)]