220691184

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{656819}}^1$

素因数の和:656837

約数の個数: 40

約数和(自身を含む): 651565440

約数和(自身を除く): 430874256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 656819, 1313638, 1970457, 2627276, 3940914, 4597733, 5254552, 7881828, 9195466, 10509104, 13793199, 15763656, 18390932, 27586398, 31527312, 36781864, 55172796, 73563728, 110345592, 220691184]

約数ペア:

[(1, 220691184), (2, 110345592), (3, 73563728), (4, 55172796), (6, 36781864), (7, 31527312), (8, 27586398), (12, 18390932), (14, 15763656), (16, 13793199), (21, 10509104), (24, 9195466), (28, 7881828), (42, 5254552), (48, 4597733), (56, 3940914), (84, 2627276), (112, 1970457), (168, 1313638), (336, 656819)]