129261568

素因数分解:

$2^{13}\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:566

約数の個数: 56

約数和(自身を含む): 267370560

約数和(自身を除く): 138108992

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 509, 512, 992, 1018, 1024, 1984, 2036, 2048, 3968, 4072, 4096, 7936, 8144, 8192, 15779, 15872, 16288, 31558, 31744, 32576, 63116, 63488, 65152, 126232, 126976, 130304, 252464, 253952, 260608, 504928, 521216, 1009856, 1042432, 2019712, 2084864, 4039424, 4169728, 8078848, 16157696, 32315392, 64630784, 129261568]

約数ペア:

[(1, 129261568), (2, 64630784), (4, 32315392), (8, 16157696), (16, 8078848), (31, 4169728), (32, 4039424), (62, 2084864), (64, 2019712), (124, 1042432), (128, 1009856), (248, 521216), (256, 504928), (496, 260608), (509, 253952), (512, 252464), (992, 130304), (1018, 126976), (1024, 126232), (1984, 65152), (2036, 63488), (2048, 63116), (3968, 32576), (4072, 31744), (4096, 31558), (7936, 16288), (8144, 15872), (8192, 15779)]