620654317

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 696913920

約数和(自身を除く): 76259603

約数列:

[1, 29, 31, 37, 47, 397, 899, 1073, 1147, 1363, 1457, 1739, 11513, 12307, 14689, 18659, 33263, 42253, 50431, 53909, 356903, 425981, 455359, 541111, 578429, 690383, 1563361, 13205411, 16774441, 20021107, 21401873, 620654317]

約数ペア:

[(1, 620654317), (29, 21401873), (31, 20021107), (37, 16774441), (47, 13205411), (397, 1563361), (899, 690383), (1073, 578429), (1147, 541111), (1363, 455359), (1457, 425981), (1739, 356903), (11513, 53909), (12307, 50431), (14689, 42253), (18659, 33263)]