321216

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{239}}^1$

素因数の和:261

約数の個数: 56

約数和(自身を含む): 975360

約数和(自身を除く): 654144

約数列:

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

約数ペア:

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