145451999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 186416640

約数和(自身を除く): 40964641

約数列:

[1, 7, 11, 61, 77, 173, 179, 427, 671, 1211, 1253, 1903, 1969, 4697, 10553, 10919, 13321, 13783, 30967, 73871, 76433, 116083, 120109, 216769, 340637, 812581, 840763, 1888987, 2384459, 13222909, 20778857, 145451999]

約数ペア:

[(1, 145451999), (7, 20778857), (11, 13222909), (61, 2384459), (77, 1888987), (173, 840763), (179, 812581), (427, 340637), (671, 216769), (1211, 120109), (1253, 116083), (1903, 76433), (1969, 73871), (4697, 30967), (10553, 13783), (10919, 13321)]