128755648

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 112

約数和(自身を含む): 307953664

約数和(自身を除く): 179198016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 73, 112, 124, 127, 146, 217, 224, 248, 254, 292, 434, 448, 496, 508, 511, 584, 868, 889, 992, 1016, 1022, 1168, 1736, 1778, 1984, 2032, 2044, 2263, 2336, 3472, 3556, 3937, 4064, 4088, 4526, 4672, 6944, 7112, 7874, 8128, 8176, 9052, 9271, 13888, 14224, 15748, 15841, 16352, 18104, 18542, 27559, 28448, 31496, 31682, 32704, 36208, 37084, 55118, 56896, 62992, 63364, 64897, 72416, 74168, 110236, 125984, 126728, 129794, 144832, 148336, 220472, 251968, 253456, 259588, 287401, 296672, 440944, 506912, 519176, 574802, 593344, 881888, 1013824, 1038352, 1149604, 1763776, 2011807, 2076704, 2299208, 4023614, 4153408, 4598416, 8047228, 9196832, 16094456, 18393664, 32188912, 64377824, 128755648]

約数ペア:

[(1, 128755648), (2, 64377824), (4, 32188912), (7, 18393664), (8, 16094456), (14, 9196832), (16, 8047228), (28, 4598416), (31, 4153408), (32, 4023614), (56, 2299208), (62, 2076704), (64, 2011807), (73, 1763776), (112, 1149604), (124, 1038352), (127, 1013824), (146, 881888), (217, 593344), (224, 574802), (248, 519176), (254, 506912), (292, 440944), (434, 296672), (448, 287401), (496, 259588), (508, 253456), (511, 251968), (584, 220472), (868, 148336), (889, 144832), (992, 129794), (1016, 126728), (1022, 125984), (1168, 110236), (1736, 74168), (1778, 72416), (1984, 64897), (2032, 63364), (2044, 62992), (2263, 56896), (2336, 55118), (3472, 37084), (3556, 36208), (3937, 32704), (4064, 31682), (4088, 31496), (4526, 28448), (4672, 27559), (6944, 18542), (7112, 18104), (7874, 16352), (8128, 15841), (8176, 15748), (9052, 14224), (9271, 13888)]