81479748

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138571}}^1$

素因数の和:138592

約数の個数: 36

約数和(自身を含む): 221160912

約数和(自身を除く): 139681164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138571, 277142, 415713, 554284, 831426, 969997, 1662852, 1939994, 2909991, 3879988, 5819982, 6789979, 11639964, 13579958, 20369937, 27159916, 40739874, 81479748]

約数ペア:

[(1, 81479748), (2, 40739874), (3, 27159916), (4, 20369937), (6, 13579958), (7, 11639964), (12, 6789979), (14, 5819982), (21, 3879988), (28, 2909991), (42, 1939994), (49, 1662852), (84, 969997), (98, 831426), (147, 554284), (196, 415713), (294, 277142), (588, 138571)]