81231042

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 178168320

約数和(自身を除く): 96937278

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 73, 86, 114, 129, 146, 219, 227, 258, 438, 454, 681, 817, 1362, 1387, 1634, 2451, 2774, 3139, 4161, 4313, 4902, 6278, 8322, 8626, 9417, 9761, 12939, 16571, 18834, 19522, 25878, 29283, 33142, 49713, 58566, 59641, 99426, 119282, 178923, 185459, 314849, 357846, 370918, 556377, 629698, 712553, 944547, 1112754, 1425106, 1889094, 2137659, 4275318, 13538507, 27077014, 40615521, 81231042]

約数ペア:

[(1, 81231042), (2, 40615521), (3, 27077014), (6, 13538507), (19, 4275318), (38, 2137659), (43, 1889094), (57, 1425106), (73, 1112754), (86, 944547), (114, 712553), (129, 629698), (146, 556377), (219, 370918), (227, 357846), (258, 314849), (438, 185459), (454, 178923), (681, 119282), (817, 99426), (1362, 59641), (1387, 58566), (1634, 49713), (2451, 33142), (2774, 29283), (3139, 25878), (4161, 19522), (4313, 18834), (4902, 16571), (6278, 12939), (8322, 9761), (8626, 9417)]