81577986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{66977}}^1$

素因数の和:67018

約数の個数: 32

約数和(自身を含む): 192896640

約数和(自身を除く): 111318654

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 66977, 133954, 200931, 401862, 468839, 937678, 1406517, 1942333, 2813034, 3884666, 5826999, 11653998, 13596331, 27192662, 40788993, 81577986]

約数ペア:

[(1, 81577986), (2, 40788993), (3, 27192662), (6, 13596331), (7, 11653998), (14, 5826999), (21, 3884666), (29, 2813034), (42, 1942333), (58, 1406517), (87, 937678), (174, 468839), (203, 401862), (406, 200931), (609, 133954), (1218, 66977)]