81655448

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39409}}^1$

素因数の和:39459

約数の個数: 32

約数和(自身を含む): 179709600

約数和(自身を除く): 98054152

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 39409, 78818, 157636, 275863, 315272, 551726, 1103452, 1458133, 2206904, 2916266, 5832532, 10206931, 11665064, 20413862, 40827724, 81655448]

約数ペア:

[(1, 81655448), (2, 40827724), (4, 20413862), (7, 11665064), (8, 10206931), (14, 5832532), (28, 2916266), (37, 2206904), (56, 1458133), (74, 1103452), (148, 551726), (259, 315272), (296, 275863), (518, 157636), (1036, 78818), (2072, 39409)]