77820385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 102187008

約数和(自身を除く): 24366623

約数列:

[1, 5, 23, 31, 83, 115, 155, 263, 415, 713, 1315, 1909, 2573, 3565, 6049, 8153, 9545, 12865, 21829, 30245, 40765, 59179, 109145, 187519, 295895, 502067, 676699, 937595, 2510335, 3383495, 15564077, 77820385]

約数ペア:

[(1, 77820385), (5, 15564077), (23, 3383495), (31, 2510335), (83, 937595), (115, 676699), (155, 502067), (263, 295895), (415, 187519), (713, 109145), (1315, 59179), (1909, 40765), (2573, 30245), (3565, 21829), (6049, 12865), (8153, 9545)]