128770432

素因数分解:

$2^7\times 7^4\times {\mathrm{419}}^1$

素因数の和:461

約数の個数: 80

約数和(自身を含む): 299987100

約数和(自身を除く): 171216668

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 419, 448, 686, 784, 838, 896, 1372, 1568, 1676, 2401, 2744, 2933, 3136, 3352, 4802, 5488, 5866, 6272, 6704, 9604, 10976, 11732, 13408, 19208, 20531, 21952, 23464, 26816, 38416, 41062, 43904, 46928, 53632, 76832, 82124, 93856, 143717, 153664, 164248, 187712, 287434, 307328, 328496, 375424, 574868, 656992, 1006019, 1149736, 1313984, 2012038, 2299472, 2627968, 4024076, 4598944, 8048152, 9197888, 16096304, 18395776, 32192608, 64385216, 128770432]

約数ペア:

[(1, 128770432), (2, 64385216), (4, 32192608), (7, 18395776), (8, 16096304), (14, 9197888), (16, 8048152), (28, 4598944), (32, 4024076), (49, 2627968), (56, 2299472), (64, 2012038), (98, 1313984), (112, 1149736), (128, 1006019), (196, 656992), (224, 574868), (343, 375424), (392, 328496), (419, 307328), (448, 287434), (686, 187712), (784, 164248), (838, 153664), (896, 143717), (1372, 93856), (1568, 82124), (1676, 76832), (2401, 53632), (2744, 46928), (2933, 43904), (3136, 41062), (3352, 38416), (4802, 26816), (5488, 23464), (5866, 21952), (6272, 20531), (6704, 19208), (9604, 13408), (10976, 11732)]