213885756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{3739}}^1$

素因数の和:3983

約数の個数: 72

約数和(自身を含む): 620780160

約数和(自身を除く): 406894404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 227, 252, 454, 681, 908, 1362, 1589, 2043, 2724, 3178, 3739, 4086, 4767, 6356, 7478, 8172, 9534, 11217, 14301, 14956, 19068, 22434, 26173, 28602, 33651, 44868, 52346, 57204, 67302, 78519, 104692, 134604, 157038, 235557, 314076, 471114, 848753, 942228, 1697506, 2546259, 3395012, 5092518, 5941271, 7638777, 10185036, 11882542, 15277554, 17823813, 23765084, 30555108, 35647626, 53471439, 71295252, 106942878, 213885756]

約数ペア:

[(1, 213885756), (2, 106942878), (3, 71295252), (4, 53471439), (6, 35647626), (7, 30555108), (9, 23765084), (12, 17823813), (14, 15277554), (18, 11882542), (21, 10185036), (28, 7638777), (36, 5941271), (42, 5092518), (63, 3395012), (84, 2546259), (126, 1697506), (227, 942228), (252, 848753), (454, 471114), (681, 314076), (908, 235557), (1362, 157038), (1589, 134604), (2043, 104692), (2724, 78519), (3178, 67302), (3739, 57204), (4086, 52346), (4767, 44868), (6356, 33651), (7478, 28602), (8172, 26173), (9534, 22434), (11217, 19068), (14301, 14956)]