25840646

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 46934160

約数和(自身を除く): 21093514

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 181, 221, 247, 289, 323, 362, 442, 494, 578, 646, 2353, 3077, 3439, 3757, 4199, 4706, 5491, 6154, 6878, 7514, 8398, 10982, 40001, 44707, 52309, 58463, 71383, 80002, 89414, 104618, 116926, 142766, 680017, 760019, 993871, 1360034, 1520038, 1987742, 12920323, 25840646]

約数ペア:

[(1, 25840646), (2, 12920323), (13, 1987742), (17, 1520038), (19, 1360034), (26, 993871), (34, 760019), (38, 680017), (181, 142766), (221, 116926), (247, 104618), (289, 89414), (323, 80002), (362, 71383), (442, 58463), (494, 52309), (578, 44707), (646, 40001), (2353, 10982), (3077, 8398), (3439, 7514), (3757, 6878), (4199, 6154), (4706, 5491)]