78217452

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 209642160

約数和(自身を除く): 131424708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 173, 228, 342, 346, 519, 661, 684, 692, 1038, 1322, 1557, 1983, 2076, 2644, 3114, 3287, 3966, 5949, 6228, 6574, 7932, 9861, 11898, 12559, 13148, 19722, 23796, 25118, 29583, 37677, 39444, 50236, 59166, 75354, 113031, 114353, 118332, 150708, 226062, 228706, 343059, 452124, 457412, 686118, 1029177, 1372236, 2058354, 2172707, 4116708, 4345414, 6518121, 8690828, 13036242, 19554363, 26072484, 39108726, 78217452]

約数ペア:

[(1, 78217452), (2, 39108726), (3, 26072484), (4, 19554363), (6, 13036242), (9, 8690828), (12, 6518121), (18, 4345414), (19, 4116708), (36, 2172707), (38, 2058354), (57, 1372236), (76, 1029177), (114, 686118), (171, 457412), (173, 452124), (228, 343059), (342, 228706), (346, 226062), (519, 150708), (661, 118332), (684, 114353), (692, 113031), (1038, 75354), (1322, 59166), (1557, 50236), (1983, 39444), (2076, 37677), (2644, 29583), (3114, 25118), (3287, 23796), (3966, 19722), (5949, 13148), (6228, 12559), (6574, 11898), (7932, 9861)]