28673008

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 69995520

約数和(自身を除く): 41322512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 47, 52, 56, 91, 94, 104, 112, 182, 188, 208, 329, 364, 376, 419, 611, 658, 728, 752, 838, 1222, 1316, 1456, 1676, 2444, 2632, 2933, 3352, 4277, 4888, 5264, 5447, 5866, 6704, 8554, 9776, 10894, 11732, 17108, 19693, 21788, 23464, 34216, 38129, 39386, 43576, 46928, 68432, 76258, 78772, 87152, 137851, 152516, 157544, 256009, 275702, 305032, 315088, 512018, 551404, 610064, 1024036, 1102808, 1792063, 2048072, 2205616, 3584126, 4096144, 7168252, 14336504, 28673008]

約数ペア:

[(1, 28673008), (2, 14336504), (4, 7168252), (7, 4096144), (8, 3584126), (13, 2205616), (14, 2048072), (16, 1792063), (26, 1102808), (28, 1024036), (47, 610064), (52, 551404), (56, 512018), (91, 315088), (94, 305032), (104, 275702), (112, 256009), (182, 157544), (188, 152516), (208, 137851), (329, 87152), (364, 78772), (376, 76258), (419, 68432), (611, 46928), (658, 43576), (728, 39386), (752, 38129), (838, 34216), (1222, 23464), (1316, 21788), (1456, 19693), (1676, 17108), (2444, 11732), (2632, 10894), (2933, 9776), (3352, 8554), (4277, 6704), (4888, 5866), (5264, 5447)]