128148916

素因数分解:

$2^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 283852800

約数和(自身を除く): 155703884

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 49, 62, 92, 98, 124, 131, 161, 196, 217, 262, 322, 343, 434, 524, 644, 686, 713, 868, 917, 1127, 1372, 1426, 1519, 1834, 2254, 2852, 3013, 3038, 3668, 4061, 4508, 4991, 6026, 6076, 6419, 7889, 8122, 9982, 10633, 12052, 12838, 15778, 16244, 19964, 21091, 21266, 25676, 28427, 31556, 34937, 42182, 42532, 44933, 56854, 69874, 84364, 89866, 93403, 113708, 139748, 147637, 179732, 186806, 198989, 244559, 295274, 373612, 397978, 489118, 590548, 653821, 795956, 978236, 1033459, 1307642, 1392923, 2066918, 2615284, 2785846, 4133836, 4576747, 5571692, 9153494, 18306988, 32037229, 64074458, 128148916]

約数ペア:

[(1, 128148916), (2, 64074458), (4, 32037229), (7, 18306988), (14, 9153494), (23, 5571692), (28, 4576747), (31, 4133836), (46, 2785846), (49, 2615284), (62, 2066918), (92, 1392923), (98, 1307642), (124, 1033459), (131, 978236), (161, 795956), (196, 653821), (217, 590548), (262, 489118), (322, 397978), (343, 373612), (434, 295274), (524, 244559), (644, 198989), (686, 186806), (713, 179732), (868, 147637), (917, 139748), (1127, 113708), (1372, 93403), (1426, 89866), (1519, 84364), (1834, 69874), (2254, 56854), (2852, 44933), (3013, 42532), (3038, 42182), (3668, 34937), (4061, 31556), (4508, 28427), (4991, 25676), (6026, 21266), (6076, 21091), (6419, 19964), (7889, 16244), (8122, 15778), (9982, 12838), (10633, 12052)]