81584916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23689}}^1$

素因数の和:23744

約数の個数: 48

約数和(自身を含む): 222875520

約数和(自身を除く): 141290604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1722, 3444, 23689, 47378, 71067, 94756, 142134, 165823, 284268, 331646, 497469, 663292, 971249, 994938, 1942498, 1989876, 2913747, 3884996, 5827494, 6798743, 11654988, 13597486, 20396229, 27194972, 40792458, 81584916]

約数ペア:

[(1, 81584916), (2, 40792458), (3, 27194972), (4, 20396229), (6, 13597486), (7, 11654988), (12, 6798743), (14, 5827494), (21, 3884996), (28, 2913747), (41, 1989876), (42, 1942498), (82, 994938), (84, 971249), (123, 663292), (164, 497469), (246, 331646), (287, 284268), (492, 165823), (574, 142134), (861, 94756), (1148, 71067), (1722, 47378), (3444, 23689)]