87212944

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 120

約数和(自身を含む): 217694400

約数和(自身を除く): 130481456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 49, 52, 56, 86, 91, 98, 104, 112, 172, 182, 196, 199, 208, 301, 344, 364, 392, 398, 559, 602, 637, 688, 728, 784, 796, 1118, 1204, 1274, 1393, 1456, 1592, 2107, 2236, 2408, 2548, 2587, 2786, 3184, 3913, 4214, 4472, 4816, 5096, 5174, 5572, 7826, 8428, 8557, 8944, 9751, 10192, 10348, 11144, 15652, 16856, 17114, 18109, 19502, 20696, 22288, 27391, 31304, 33712, 34228, 36218, 39004, 41392, 54782, 59899, 62608, 68456, 72436, 78008, 109564, 111241, 119798, 126763, 136912, 144872, 156016, 219128, 222482, 239596, 253526, 289744, 419293, 438256, 444964, 479192, 507052, 778687, 838586, 889928, 958384, 1014104, 1557374, 1677172, 1779856, 2028208, 3114748, 3354344, 5450809, 6229496, 6708688, 10901618, 12458992, 21803236, 43606472, 87212944]

約数ペア:

[(1, 87212944), (2, 43606472), (4, 21803236), (7, 12458992), (8, 10901618), (13, 6708688), (14, 6229496), (16, 5450809), (26, 3354344), (28, 3114748), (43, 2028208), (49, 1779856), (52, 1677172), (56, 1557374), (86, 1014104), (91, 958384), (98, 889928), (104, 838586), (112, 778687), (172, 507052), (182, 479192), (196, 444964), (199, 438256), (208, 419293), (301, 289744), (344, 253526), (364, 239596), (392, 222482), (398, 219128), (559, 156016), (602, 144872), (637, 136912), (688, 126763), (728, 119798), (784, 111241), (796, 109564), (1118, 78008), (1204, 72436), (1274, 68456), (1393, 62608), (1456, 59899), (1592, 54782), (2107, 41392), (2236, 39004), (2408, 36218), (2548, 34228), (2587, 33712), (2786, 31304), (3184, 27391), (3913, 22288), (4214, 20696), (4472, 19502), (4816, 18109), (5096, 17114), (5174, 16856), (5572, 15652), (7826, 11144), (8428, 10348), (8557, 10192), (8944, 9751)]