128589952

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 267125760

約数和(自身を除く): 138535808

約数列:

[1, 2, 4, 8, 16, 32, 43, 61, 64, 86, 122, 128, 172, 244, 344, 383, 488, 688, 766, 976, 1376, 1532, 1952, 2623, 2752, 3064, 3904, 5246, 5504, 6128, 7808, 10492, 12256, 16469, 20984, 23363, 24512, 32938, 41968, 46726, 49024, 65876, 83936, 93452, 131752, 167872, 186904, 263504, 335744, 373808, 527008, 747616, 1004609, 1054016, 1495232, 2009218, 2108032, 2990464, 4018436, 8036872, 16073744, 32147488, 64294976, 128589952]

約数ペア:

[(1, 128589952), (2, 64294976), (4, 32147488), (8, 16073744), (16, 8036872), (32, 4018436), (43, 2990464), (61, 2108032), (64, 2009218), (86, 1495232), (122, 1054016), (128, 1004609), (172, 747616), (244, 527008), (344, 373808), (383, 335744), (488, 263504), (688, 186904), (766, 167872), (976, 131752), (1376, 93452), (1532, 83936), (1952, 65876), (2623, 49024), (2752, 46726), (3064, 41968), (3904, 32938), (5246, 24512), (5504, 23363), (6128, 20984), (7808, 16469), (10492, 12256)]