78172745

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 118506240

約数和(自身を除く): 40333495

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 269, 361, 437, 665, 805, 1345, 1805, 1883, 2185, 2527, 3059, 5111, 6187, 8303, 9415, 12635, 15295, 25555, 30935, 35777, 41515, 43309, 58121, 97109, 117553, 178885, 216545, 290605, 485545, 587765, 679763, 822871, 2233507, 3398815, 4114355, 11167535, 15634549, 78172745]

約数ペア:

[(1, 78172745), (5, 15634549), (7, 11167535), (19, 4114355), (23, 3398815), (35, 2233507), (95, 822871), (115, 679763), (133, 587765), (161, 485545), (269, 290605), (361, 216545), (437, 178885), (665, 117553), (805, 97109), (1345, 58121), (1805, 43309), (1883, 41515), (2185, 35777), (2527, 30935), (3059, 25555), (5111, 15295), (6187, 12635), (8303, 9415)]