213571548

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1471}}^1$

素因数の和:1627

約数の個数: 72

約数和(自身を含む): 559919360

約数和(自身を除く): 346347812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 109, 111, 148, 218, 222, 327, 333, 436, 444, 654, 666, 981, 1308, 1332, 1471, 1962, 2942, 3924, 4033, 4413, 5884, 8066, 8826, 12099, 13239, 16132, 17652, 24198, 26478, 36297, 48396, 52956, 54427, 72594, 108854, 145188, 160339, 163281, 217708, 320678, 326562, 481017, 489843, 641356, 653124, 962034, 979686, 1443051, 1924068, 1959372, 2886102, 5772204, 5932543, 11865086, 17797629, 23730172, 35595258, 53392887, 71190516, 106785774, 213571548]

約数ペア:

[(1, 213571548), (2, 106785774), (3, 71190516), (4, 53392887), (6, 35595258), (9, 23730172), (12, 17797629), (18, 11865086), (36, 5932543), (37, 5772204), (74, 2886102), (109, 1959372), (111, 1924068), (148, 1443051), (218, 979686), (222, 962034), (327, 653124), (333, 641356), (436, 489843), (444, 481017), (654, 326562), (666, 320678), (981, 217708), (1308, 163281), (1332, 160339), (1471, 145188), (1962, 108854), (2942, 72594), (3924, 54427), (4033, 52956), (4413, 48396), (5884, 36297), (8066, 26478), (8826, 24198), (12099, 17652), (13239, 16132)]