208953206

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 426553344

約数和(自身を除く): 217600138

約数列:

[1, 2, 7, 11, 14, 22, 23, 31, 46, 62, 77, 121, 154, 161, 173, 217, 242, 253, 322, 341, 346, 434, 506, 682, 713, 847, 1211, 1426, 1694, 1771, 1903, 2387, 2422, 2783, 3542, 3751, 3806, 3979, 4774, 4991, 5363, 5566, 7502, 7843, 7958, 9982, 10726, 13321, 15686, 19481, 20933, 26257, 26642, 27853, 37541, 38962, 41866, 43769, 52514, 54901, 55706, 58993, 75082, 86273, 87538, 109802, 117986, 123349, 146531, 172546, 246698, 293062, 306383, 412951, 481459, 603911, 612766, 648923, 825902, 863443, 962918, 1207822, 1297846, 1356839, 1726886, 2713678, 3370213, 4542461, 6740426, 9084922, 9497873, 14925229, 18995746, 29850458, 104476603, 208953206]

約数ペア:

[(1, 208953206), (2, 104476603), (7, 29850458), (11, 18995746), (14, 14925229), (22, 9497873), (23, 9084922), (31, 6740426), (46, 4542461), (62, 3370213), (77, 2713678), (121, 1726886), (154, 1356839), (161, 1297846), (173, 1207822), (217, 962918), (242, 863443), (253, 825902), (322, 648923), (341, 612766), (346, 603911), (434, 481459), (506, 412951), (682, 306383), (713, 293062), (847, 246698), (1211, 172546), (1426, 146531), (1694, 123349), (1771, 117986), (1903, 109802), (2387, 87538), (2422, 86273), (2783, 75082), (3542, 58993), (3751, 55706), (3806, 54901), (3979, 52514), (4774, 43769), (4991, 41866), (5363, 38962), (5566, 37541), (7502, 27853), (7843, 26642), (7958, 26257), (9982, 20933), (10726, 19481), (13321, 15686)]