642432

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{239}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 1958400

約数和(自身を除く): 1315968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 239, 336, 384, 448, 478, 672, 717, 896, 956, 1344, 1434, 1673, 1912, 2688, 2868, 3346, 3824, 5019, 5736, 6692, 7648, 10038, 11472, 13384, 15296, 20076, 22944, 26768, 30592, 40152, 45888, 53536, 80304, 91776, 107072, 160608, 214144, 321216, 642432]

約数ペア:

[(1, 642432), (2, 321216), (3, 214144), (4, 160608), (6, 107072), (7, 91776), (8, 80304), (12, 53536), (14, 45888), (16, 40152), (21, 30592), (24, 26768), (28, 22944), (32, 20076), (42, 15296), (48, 13384), (56, 11472), (64, 10038), (84, 7648), (96, 6692), (112, 5736), (128, 5019), (168, 3824), (192, 3346), (224, 2868), (239, 2688), (336, 1912), (384, 1673), (448, 1434), (478, 1344), (672, 956), (717, 896)]