27991438

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 17368562

約数列:

[1, 2, 29, 41, 58, 79, 82, 149, 158, 298, 1189, 2291, 2378, 3239, 4321, 4582, 6109, 6478, 8642, 11771, 12218, 23542, 93931, 177161, 187862, 341359, 354322, 482611, 682718, 965222, 13995719, 27991438]

約数ペア:

[(1, 27991438), (2, 13995719), (29, 965222), (41, 682718), (58, 482611), (79, 354322), (82, 341359), (149, 187862), (158, 177161), (298, 93931), (1189, 23542), (2291, 12218), (2378, 11771), (3239, 8642), (4321, 6478), (4582, 6109)]