1898924027

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 2717030400

約数和(自身を除く): 818106373

約数列:

[1, 7, 11, 13, 37, 59, 77, 79, 91, 121, 143, 259, 407, 413, 481, 553, 649, 767, 847, 869, 1001, 1027, 1573, 2183, 2849, 2923, 3367, 4477, 4543, 4661, 5291, 5369, 6083, 7139, 7189, 8437, 9559, 11011, 11297, 15281, 20461, 24013, 28379, 31339, 32153, 32627, 37037, 37999, 49973, 51271, 58201, 59059, 60593, 66913, 79079, 92807, 124267, 168091, 172457, 198653, 225071, 264143, 265993, 312169, 353683, 358897, 407407, 417989, 424151, 563981, 649649, 666523, 869869, 1207199, 1849001, 1897027, 2185183, 2241941, 2475781, 2925923, 3433859, 3947867, 4597879, 4665661, 7331753, 13279189, 15693587, 20867297, 24037013, 24661351, 32185153, 51322271, 146071079, 172629457, 271274861, 1898924027]

約数ペア:

[(1, 1898924027), (7, 271274861), (11, 172629457), (13, 146071079), (37, 51322271), (59, 32185153), (77, 24661351), (79, 24037013), (91, 20867297), (121, 15693587), (143, 13279189), (259, 7331753), (407, 4665661), (413, 4597879), (481, 3947867), (553, 3433859), (649, 2925923), (767, 2475781), (847, 2241941), (869, 2185183), (1001, 1897027), (1027, 1849001), (1573, 1207199), (2183, 869869), (2849, 666523), (2923, 649649), (3367, 563981), (4477, 424151), (4543, 417989), (4661, 407407), (5291, 358897), (5369, 353683), (6083, 312169), (7139, 265993), (7189, 264143), (8437, 225071), (9559, 198653), (11011, 172457), (11297, 168091), (15281, 124267), (20461, 92807), (24013, 79079), (28379, 66913), (31339, 60593), (32153, 59059), (32627, 58201), (37037, 51271), (37999, 49973)]