28018256

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2579}}^1$

素因数の和:2691

約数の個数: 40

約数和(自身を含む): 62704320

約数和(自身を除く): 34686064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2579, 2716, 5158, 5432, 10316, 10864, 18053, 20632, 36106, 41264, 72212, 144424, 250163, 288848, 500326, 1000652, 1751141, 2001304, 3502282, 4002608, 7004564, 14009128, 28018256]

約数ペア:

[(1, 28018256), (2, 14009128), (4, 7004564), (7, 4002608), (8, 3502282), (14, 2001304), (16, 1751141), (28, 1000652), (56, 500326), (97, 288848), (112, 250163), (194, 144424), (388, 72212), (679, 41264), (776, 36106), (1358, 20632), (1552, 18053), (2579, 10864), (2716, 10316), (5158, 5432)]