1678889745

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 3221775648

約数和(自身を除く): 1542885903

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 53, 65, 117, 159, 173, 195, 265, 313, 477, 519, 585, 689, 795, 865, 939, 1557, 1565, 2067, 2249, 2385, 2595, 2817, 3445, 4069, 4695, 6201, 6747, 7785, 9169, 10335, 11245, 12207, 14085, 16589, 20241, 20345, 27507, 31005, 33735, 36621, 45845, 49767, 54149, 61035, 82521, 82945, 101205, 119197, 137535, 149301, 162447, 183105, 215657, 248835, 270745, 357591, 412605, 487341, 595985, 646971, 703937, 746505, 812235, 1072773, 1078285, 1787955, 1940913, 2111811, 2436705, 2869897, 3234855, 3519685, 5363865, 6335433, 8609691, 9704565, 10559055, 14349485, 25829073, 31677165, 37308661, 43048455, 111925983, 129145365, 186543305, 335777949, 559629915, 1678889745]

約数ペア:

[(1, 1678889745), (3, 559629915), (5, 335777949), (9, 186543305), (13, 129145365), (15, 111925983), (39, 43048455), (45, 37308661), (53, 31677165), (65, 25829073), (117, 14349485), (159, 10559055), (173, 9704565), (195, 8609691), (265, 6335433), (313, 5363865), (477, 3519685), (519, 3234855), (585, 2869897), (689, 2436705), (795, 2111811), (865, 1940913), (939, 1787955), (1557, 1078285), (1565, 1072773), (2067, 812235), (2249, 746505), (2385, 703937), (2595, 646971), (2817, 595985), (3445, 487341), (4069, 412605), (4695, 357591), (6201, 270745), (6747, 248835), (7785, 215657), (9169, 183105), (10335, 162447), (11245, 149301), (12207, 137535), (14085, 119197), (16589, 101205), (20241, 82945), (20345, 82521), (27507, 61035), (31005, 54149), (33735, 49767), (36621, 45845)]