28145104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2879}}^1$

素因数の和:2947

約数の個数: 40

約数和(自身を含む): 59996160

約数和(自身を除く): 31851056

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 2879, 4888, 5758, 9776, 11516, 23032, 37427, 46064, 74854, 135313, 149708, 270626, 299416, 541252, 598832, 1082504, 1759069, 2165008, 3518138, 7036276, 14072552, 28145104]

約数ペア:

[(1, 28145104), (2, 14072552), (4, 7036276), (8, 3518138), (13, 2165008), (16, 1759069), (26, 1082504), (47, 598832), (52, 541252), (94, 299416), (104, 270626), (188, 149708), (208, 135313), (376, 74854), (611, 46064), (752, 37427), (1222, 23032), (2444, 11516), (2879, 9776), (4888, 5758)]