28018839772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2131}}^1\times {\mathrm{42689}}^1$

素因数の和:44842

約数の個数: 48

約数和(自身を含む): 61162133760

約数和(自身を除く): 33143293988

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 2131, 4262, 8524, 14917, 23441, 29834, 42689, 46882, 59668, 85378, 93764, 164087, 170756, 298823, 328174, 469579, 597646, 656348, 939158, 1195292, 1878316, 3287053, 6574106, 13148212, 90970259, 181940518, 363881036, 636791813, 1000672849, 1273583626, 2001345698, 2547167252, 4002691396, 7004709943, 14009419886, 28018839772]

約数ペア:

[(1, 28018839772), (2, 14009419886), (4, 7004709943), (7, 4002691396), (11, 2547167252), (14, 2001345698), (22, 1273583626), (28, 1000672849), (44, 636791813), (77, 363881036), (154, 181940518), (308, 90970259), (2131, 13148212), (4262, 6574106), (8524, 3287053), (14917, 1878316), (23441, 1195292), (29834, 939158), (42689, 656348), (46882, 597646), (59668, 469579), (85378, 328174), (93764, 298823), (164087, 170756)]