81570896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 184809600

約数和(自身を除く): 103238704

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 137, 176, 187, 199, 272, 274, 374, 398, 548, 748, 796, 1096, 1496, 1507, 1592, 2189, 2192, 2329, 2992, 3014, 3184, 3383, 4378, 4658, 6028, 6766, 8756, 9316, 12056, 13532, 17512, 18632, 24112, 25619, 27064, 27263, 35024, 37213, 37264, 51238, 54128, 54526, 74426, 102476, 109052, 148852, 204952, 218104, 297704, 299893, 409904, 436208, 463471, 595408, 599786, 926942, 1199572, 1853884, 2399144, 3707768, 4798288, 5098181, 7415536, 10196362, 20392724, 40785448, 81570896]

約数ペア:

[(1, 81570896), (2, 40785448), (4, 20392724), (8, 10196362), (11, 7415536), (16, 5098181), (17, 4798288), (22, 3707768), (34, 2399144), (44, 1853884), (68, 1199572), (88, 926942), (136, 599786), (137, 595408), (176, 463471), (187, 436208), (199, 409904), (272, 299893), (274, 297704), (374, 218104), (398, 204952), (548, 148852), (748, 109052), (796, 102476), (1096, 74426), (1496, 54526), (1507, 54128), (1592, 51238), (2189, 37264), (2192, 37213), (2329, 35024), (2992, 27263), (3014, 27064), (3184, 25619), (3383, 24112), (4378, 18632), (4658, 17512), (6028, 13532), (6766, 12056), (8756, 9316)]