81774888

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{751}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 221088000

約数和(自身を除く): 139313112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 349, 698, 751, 1047, 1396, 1502, 2094, 2253, 2792, 3004, 4188, 4506, 4537, 6008, 8376, 9012, 9074, 9763, 13611, 18024, 18148, 19526, 27222, 29289, 36296, 39052, 54444, 58578, 78104, 108888, 117156, 234312, 262099, 524198, 786297, 1048396, 1572594, 2096792, 3145188, 3407287, 6290376, 6814574, 10221861, 13629148, 20443722, 27258296, 40887444, 81774888]

約数ペア:

[(1, 81774888), (2, 40887444), (3, 27258296), (4, 20443722), (6, 13629148), (8, 10221861), (12, 6814574), (13, 6290376), (24, 3407287), (26, 3145188), (39, 2096792), (52, 1572594), (78, 1048396), (104, 786297), (156, 524198), (312, 262099), (349, 234312), (698, 117156), (751, 108888), (1047, 78104), (1396, 58578), (1502, 54444), (2094, 39052), (2253, 36296), (2792, 29289), (3004, 27222), (4188, 19526), (4506, 18148), (4537, 18024), (6008, 13611), (8376, 9763), (9012, 9074)]