81861612

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26339}}^1$

素因数の和:26390

約数の個数: 48

約数和(自身を含む): 224206080

約数和(自身を除く): 142344468

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 26339, 52678, 79017, 105356, 158034, 184373, 316068, 368746, 553119, 737492, 974543, 1106238, 1949086, 2212476, 2923629, 3898172, 5847258, 6821801, 11694516, 13643602, 20465403, 27287204, 40930806, 81861612]

約数ペア:

[(1, 81861612), (2, 40930806), (3, 27287204), (4, 20465403), (6, 13643602), (7, 11694516), (12, 6821801), (14, 5847258), (21, 3898172), (28, 2923629), (37, 2212476), (42, 1949086), (74, 1106238), (84, 974543), (111, 737492), (148, 553119), (222, 368746), (259, 316068), (444, 184373), (518, 158034), (777, 105356), (1036, 79017), (1554, 52678), (3108, 26339)]