81554508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19037}}^1$

素因数の和:19071

約数の個数: 72

約数和(自身を含む): 249473952

約数和(自身を除く): 167919444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 19037, 38074, 57111, 76148, 114222, 133259, 171333, 228444, 266518, 323629, 342666, 399777, 533036, 647258, 685332, 799554, 970887, 1199331, 1294516, 1599108, 1941774, 2265403, 2398662, 2912661, 3883548, 4530806, 4797324, 5825322, 6796209, 9061612, 11650644, 13592418, 20388627, 27184836, 40777254, 81554508]

約数ペア:

[(1, 81554508), (2, 40777254), (3, 27184836), (4, 20388627), (6, 13592418), (7, 11650644), (9, 9061612), (12, 6796209), (14, 5825322), (17, 4797324), (18, 4530806), (21, 3883548), (28, 2912661), (34, 2398662), (36, 2265403), (42, 1941774), (51, 1599108), (63, 1294516), (68, 1199331), (84, 970887), (102, 799554), (119, 685332), (126, 647258), (153, 533036), (204, 399777), (238, 342666), (252, 323629), (306, 266518), (357, 228444), (476, 171333), (612, 133259), (714, 114222), (1071, 76148), (1428, 57111), (2142, 38074), (4284, 19037)]