128956128

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{191899}}^1$

素因数の和:191919

約数の個数: 48

約数和(自身を含む): 386870400

約数和(自身を除く): 257914272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 191899, 383798, 575697, 767596, 1151394, 1343293, 1535192, 2302788, 2686586, 3070384, 4029879, 4605576, 5373172, 6140768, 8059758, 9211152, 10746344, 16119516, 18422304, 21492688, 32239032, 42985376, 64478064, 128956128]

約数ペア:

[(1, 128956128), (2, 64478064), (3, 42985376), (4, 32239032), (6, 21492688), (7, 18422304), (8, 16119516), (12, 10746344), (14, 9211152), (16, 8059758), (21, 6140768), (24, 5373172), (28, 4605576), (32, 4029879), (42, 3070384), (48, 2686586), (56, 2302788), (84, 1535192), (96, 1343293), (112, 1151394), (168, 767596), (224, 575697), (336, 383798), (672, 191899)]