128828588

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2143}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 273745920

約数和(自身を除く): 144917332

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 113, 133, 226, 266, 452, 532, 791, 1582, 2143, 2147, 3164, 4286, 4294, 8572, 8588, 15001, 15029, 30002, 30058, 40717, 60004, 60116, 81434, 162868, 242159, 285019, 484318, 570038, 968636, 1140076, 1695113, 3390226, 4601021, 6780452, 9202042, 18404084, 32207147, 64414294, 128828588]

約数ペア:

[(1, 128828588), (2, 64414294), (4, 32207147), (7, 18404084), (14, 9202042), (19, 6780452), (28, 4601021), (38, 3390226), (76, 1695113), (113, 1140076), (133, 968636), (226, 570038), (266, 484318), (452, 285019), (532, 242159), (791, 162868), (1582, 81434), (2143, 60116), (2147, 60004), (3164, 40717), (4286, 30058), (4294, 30002), (8572, 15029), (8588, 15001)]