989740565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 1423595520

約数和(自身を除く): 433854955

約数列:

[1, 5, 11, 29, 31, 37, 55, 145, 155, 185, 319, 341, 407, 541, 899, 1073, 1147, 1595, 1705, 2035, 2705, 4495, 5365, 5735, 5951, 9889, 11803, 12617, 15689, 16771, 20017, 29755, 33263, 49445, 59015, 63085, 78445, 83855, 100085, 166315, 172579, 184481, 220187, 365893, 486359, 580493, 620527, 862895, 922405, 1100935, 1829465, 2431795, 2902465, 3102635, 5349949, 6385423, 6825797, 17995283, 26749745, 31927115, 34128985, 89976415, 197948113, 989740565]

約数ペア:

[(1, 989740565), (5, 197948113), (11, 89976415), (29, 34128985), (31, 31927115), (37, 26749745), (55, 17995283), (145, 6825797), (155, 6385423), (185, 5349949), (319, 3102635), (341, 2902465), (407, 2431795), (541, 1829465), (899, 1100935), (1073, 922405), (1147, 862895), (1595, 620527), (1705, 580493), (2035, 486359), (2705, 365893), (4495, 220187), (5365, 184481), (5735, 172579), (5951, 166315), (9889, 100085), (11803, 83855), (12617, 78445), (15689, 63085), (16771, 59015), (20017, 49445), (29755, 33263)]