65511390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1987}}^1$

素因数の和:2161

約数の個数: 64

約数和(自身を含む): 180923904

約数和(自身を除く): 115412514

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 157, 210, 314, 471, 785, 942, 1099, 1570, 1987, 2198, 2355, 3297, 3974, 4710, 5495, 5961, 6594, 9935, 10990, 11922, 13909, 16485, 19870, 27818, 29805, 32970, 41727, 59610, 69545, 83454, 139090, 208635, 311959, 417270, 623918, 935877, 1559795, 1871754, 2183713, 3119590, 4367426, 4679385, 6551139, 9358770, 10918565, 13102278, 21837130, 32755695, 65511390]

約数ペア:

[(1, 65511390), (2, 32755695), (3, 21837130), (5, 13102278), (6, 10918565), (7, 9358770), (10, 6551139), (14, 4679385), (15, 4367426), (21, 3119590), (30, 2183713), (35, 1871754), (42, 1559795), (70, 935877), (105, 623918), (157, 417270), (210, 311959), (314, 208635), (471, 139090), (785, 83454), (942, 69545), (1099, 59610), (1570, 41727), (1987, 32970), (2198, 29805), (2355, 27818), (3297, 19870), (3974, 16485), (4710, 13909), (5495, 11922), (5961, 10990), (6594, 9935)]