1989101019

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 3010387968

約数和(自身を除く): 1021286949

約数列:

[1, 3, 23, 31, 37, 41, 69, 93, 111, 123, 613, 713, 851, 943, 1147, 1271, 1517, 1839, 2139, 2553, 2829, 3441, 3813, 4551, 14099, 19003, 22681, 25133, 26381, 29233, 34891, 42297, 47027, 57009, 68043, 75399, 79143, 87699, 104673, 141081, 437069, 521663, 578059, 703111, 779123, 929921, 1081621, 1311207, 1564989, 1734177, 2109333, 2337369, 2789763, 3244863, 16171553, 17919829, 21388183, 28827551, 48514659, 53759487, 64164549, 86482653, 663033673, 1989101019]

約数ペア:

[(1, 1989101019), (3, 663033673), (23, 86482653), (31, 64164549), (37, 53759487), (41, 48514659), (69, 28827551), (93, 21388183), (111, 17919829), (123, 16171553), (613, 3244863), (713, 2789763), (851, 2337369), (943, 2109333), (1147, 1734177), (1271, 1564989), (1517, 1311207), (1839, 1081621), (2139, 929921), (2553, 779123), (2829, 703111), (3441, 578059), (3813, 521663), (4551, 437069), (14099, 141081), (19003, 104673), (22681, 87699), (25133, 79143), (26381, 75399), (29233, 68043), (34891, 57009), (42297, 47027)]