78872742

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 193729536

約数和(自身を除く): 114856794

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 83, 93, 117, 131, 166, 186, 234, 249, 262, 279, 393, 403, 498, 558, 747, 786, 806, 1079, 1179, 1209, 1494, 1703, 2158, 2358, 2418, 2573, 3237, 3406, 3627, 4061, 5109, 5146, 6474, 7254, 7719, 8122, 9711, 10218, 10873, 12183, 15327, 15438, 19422, 21746, 23157, 24366, 30654, 32619, 33449, 36549, 46314, 52793, 65238, 66898, 73098, 97857, 100347, 105586, 141349, 158379, 195714, 200694, 282698, 301041, 316758, 337063, 424047, 475137, 602082, 674126, 848094, 950274, 1011189, 1272141, 2022378, 2544282, 3033567, 4381819, 6067134, 8763638, 13145457, 26290914, 39436371, 78872742]

約数ペア:

[(1, 78872742), (2, 39436371), (3, 26290914), (6, 13145457), (9, 8763638), (13, 6067134), (18, 4381819), (26, 3033567), (31, 2544282), (39, 2022378), (62, 1272141), (78, 1011189), (83, 950274), (93, 848094), (117, 674126), (131, 602082), (166, 475137), (186, 424047), (234, 337063), (249, 316758), (262, 301041), (279, 282698), (393, 200694), (403, 195714), (498, 158379), (558, 141349), (747, 105586), (786, 100347), (806, 97857), (1079, 73098), (1179, 66898), (1209, 65238), (1494, 52793), (1703, 46314), (2158, 36549), (2358, 33449), (2418, 32619), (2573, 30654), (3237, 24366), (3406, 23157), (3627, 21746), (4061, 19422), (5109, 15438), (5146, 15327), (6474, 12183), (7254, 10873), (7719, 10218), (8122, 9711)]