77838104

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 156827880

約数和(自身を除く): 78989776

約数列:

[1, 2, 4, 8, 17, 34, 68, 131, 136, 257, 262, 289, 514, 524, 578, 1028, 1048, 1156, 2056, 2227, 2312, 4369, 4454, 8738, 8908, 17476, 17816, 33667, 34952, 37859, 67334, 74273, 75718, 134668, 148546, 151436, 269336, 297092, 302872, 572339, 594184, 1144678, 2289356, 4578712, 9729763, 19459526, 38919052, 77838104]

約数ペア:

[(1, 77838104), (2, 38919052), (4, 19459526), (8, 9729763), (17, 4578712), (34, 2289356), (68, 1144678), (131, 594184), (136, 572339), (257, 302872), (262, 297092), (289, 269336), (514, 151436), (524, 148546), (578, 134668), (1028, 75718), (1048, 74273), (1156, 67334), (2056, 37859), (2227, 34952), (2312, 33667), (4369, 17816), (4454, 17476), (8738, 8908)]