221218976

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 525530880

約数和(自身を除く): 304311904

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 76, 88, 97, 121, 124, 152, 176, 194, 209, 242, 248, 304, 341, 352, 388, 418, 484, 496, 589, 608, 682, 776, 836, 968, 992, 1067, 1178, 1364, 1552, 1672, 1843, 1936, 2134, 2299, 2356, 2728, 3007, 3104, 3344, 3686, 3751, 3872, 4268, 4598, 4712, 5456, 6014, 6479, 6688, 7372, 7502, 8536, 9196, 9424, 10912, 11737, 12028, 12958, 14744, 15004, 17072, 18392, 18848, 20273, 23474, 24056, 25916, 29488, 30008, 33077, 34144, 36784, 40546, 46948, 48112, 51832, 57133, 58976, 60016, 66154, 71269, 73568, 81092, 93896, 96224, 103664, 114266, 120032, 132308, 142538, 162184, 187792, 207328, 223003, 228532, 264616, 285076, 324368, 363847, 375584, 446006, 457064, 529232, 570152, 628463, 648736, 727694, 892012, 914128, 1058464, 1140304, 1256926, 1455388, 1784024, 1828256, 2280608, 2513852, 2910776, 3568048, 5027704, 5821552, 6913093, 7136096, 10055408, 11643104, 13826186, 20110816, 27652372, 55304744, 110609488, 221218976]

約数ペア:

[(1, 221218976), (2, 110609488), (4, 55304744), (8, 27652372), (11, 20110816), (16, 13826186), (19, 11643104), (22, 10055408), (31, 7136096), (32, 6913093), (38, 5821552), (44, 5027704), (62, 3568048), (76, 2910776), (88, 2513852), (97, 2280608), (121, 1828256), (124, 1784024), (152, 1455388), (176, 1256926), (194, 1140304), (209, 1058464), (242, 914128), (248, 892012), (304, 727694), (341, 648736), (352, 628463), (388, 570152), (418, 529232), (484, 457064), (496, 446006), (589, 375584), (608, 363847), (682, 324368), (776, 285076), (836, 264616), (968, 228532), (992, 223003), (1067, 207328), (1178, 187792), (1364, 162184), (1552, 142538), (1672, 132308), (1843, 120032), (1936, 114266), (2134, 103664), (2299, 96224), (2356, 93896), (2728, 81092), (3007, 73568), (3104, 71269), (3344, 66154), (3686, 60016), (3751, 58976), (3872, 57133), (4268, 51832), (4598, 48112), (4712, 46948), (5456, 40546), (6014, 36784), (6479, 34144), (6688, 33077), (7372, 30008), (7502, 29488), (8536, 25916), (9196, 24056), (9424, 23474), (10912, 20273), (11737, 18848), (12028, 18392), (12958, 17072), (14744, 15004)]