198479918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 382599168

約数和(自身を除く): 184119250

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 127, 182, 217, 254, 277, 403, 434, 554, 806, 889, 1651, 1778, 1939, 2821, 3302, 3601, 3878, 3937, 5642, 7202, 7874, 8587, 11557, 17174, 23114, 25207, 27559, 35179, 50414, 51181, 55118, 60109, 70358, 102362, 111631, 120218, 223262, 246253, 358267, 457327, 492506, 716534, 781417, 914654, 1090549, 1562834, 2181098, 3201289, 6402578, 7633843, 14177137, 15267686, 28354274, 99239959, 198479918]

約数ペア:

[(1, 198479918), (2, 99239959), (7, 28354274), (13, 15267686), (14, 14177137), (26, 7633843), (31, 6402578), (62, 3201289), (91, 2181098), (127, 1562834), (182, 1090549), (217, 914654), (254, 781417), (277, 716534), (403, 492506), (434, 457327), (554, 358267), (806, 246253), (889, 223262), (1651, 120218), (1778, 111631), (1939, 102362), (2821, 70358), (3302, 60109), (3601, 55118), (3878, 51181), (3937, 50414), (5642, 35179), (7202, 27559), (7874, 25207), (8587, 23114), (11557, 17174)]