26400728

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 55444200

約数和(自身を除く): 29043472

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 289, 323, 578, 601, 646, 1156, 1202, 1292, 2312, 2404, 2584, 4808, 5491, 10217, 10982, 11419, 20434, 21964, 22838, 40868, 43928, 45676, 81736, 91352, 173689, 194123, 347378, 388246, 694756, 776492, 1389512, 1552984, 3300091, 6600182, 13200364, 26400728]

約数ペア:

[(1, 26400728), (2, 13200364), (4, 6600182), (8, 3300091), (17, 1552984), (19, 1389512), (34, 776492), (38, 694756), (68, 388246), (76, 347378), (136, 194123), (152, 173689), (289, 91352), (323, 81736), (578, 45676), (601, 43928), (646, 40868), (1156, 22838), (1202, 21964), (1292, 20434), (2312, 11419), (2404, 10982), (2584, 10217), (4808, 5491)]