218998384

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 498718080

約数和(自身を除く): 279719696

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 41, 44, 62, 82, 88, 89, 121, 124, 164, 176, 178, 242, 248, 328, 341, 356, 451, 484, 496, 656, 682, 712, 902, 968, 979, 1271, 1364, 1424, 1804, 1936, 1958, 2542, 2728, 2759, 3608, 3649, 3751, 3916, 4961, 5084, 5456, 5518, 7216, 7298, 7502, 7832, 9922, 10168, 10769, 11036, 13981, 14596, 15004, 15664, 19844, 20336, 21538, 22072, 27962, 29192, 30008, 30349, 39688, 40139, 43076, 44144, 55924, 58384, 60016, 60698, 79376, 80278, 86152, 111848, 113119, 121396, 153791, 160556, 172304, 223696, 226238, 242792, 307582, 321112, 333839, 441529, 452476, 485584, 615164, 642224, 667678, 883058, 904952, 1230328, 1244309, 1335356, 1766116, 1809904, 2460656, 2488618, 2670712, 3532232, 4977236, 5341424, 7064464, 9954472, 13687399, 19908944, 27374798, 54749596, 109499192, 218998384]

約数ペア:

[(1, 218998384), (2, 109499192), (4, 54749596), (8, 27374798), (11, 19908944), (16, 13687399), (22, 9954472), (31, 7064464), (41, 5341424), (44, 4977236), (62, 3532232), (82, 2670712), (88, 2488618), (89, 2460656), (121, 1809904), (124, 1766116), (164, 1335356), (176, 1244309), (178, 1230328), (242, 904952), (248, 883058), (328, 667678), (341, 642224), (356, 615164), (451, 485584), (484, 452476), (496, 441529), (656, 333839), (682, 321112), (712, 307582), (902, 242792), (968, 226238), (979, 223696), (1271, 172304), (1364, 160556), (1424, 153791), (1804, 121396), (1936, 113119), (1958, 111848), (2542, 86152), (2728, 80278), (2759, 79376), (3608, 60698), (3649, 60016), (3751, 58384), (3916, 55924), (4961, 44144), (5084, 43076), (5456, 40139), (5518, 39688), (7216, 30349), (7298, 30008), (7502, 29192), (7832, 27962), (9922, 22072), (10168, 21538), (10769, 20336), (11036, 19844), (13981, 15664), (14596, 15004)]