311966788

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 635209344

約数和(自身を除く): 323242556

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 241, 332, 482, 557, 581, 964, 1114, 1162, 1687, 2228, 2324, 3374, 3899, 6748, 7798, 15596, 20003, 40006, 46231, 80012, 92462, 134237, 140021, 184924, 268474, 280042, 323617, 536948, 560084, 647234, 939659, 1294468, 1879318, 3758636, 11141671, 22283342, 44566684, 77991697, 155983394, 311966788]

約数ペア:

[(1, 311966788), (2, 155983394), (4, 77991697), (7, 44566684), (14, 22283342), (28, 11141671), (83, 3758636), (166, 1879318), (241, 1294468), (332, 939659), (482, 647234), (557, 560084), (581, 536948), (964, 323617), (1114, 280042), (1162, 268474), (1687, 184924), (2228, 140021), (2324, 134237), (3374, 92462), (3899, 80012), (6748, 46231), (7798, 40006), (15596, 20003)]