31123314

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 70012800

約数和(自身を除く): 38889486

約数列:

[1, 2, 3, 6, 9, 18, 43, 79, 86, 129, 158, 237, 258, 387, 474, 509, 711, 774, 1018, 1422, 1527, 3054, 3397, 4581, 6794, 9162, 10191, 20382, 21887, 30573, 40211, 43774, 61146, 65661, 80422, 120633, 131322, 196983, 241266, 361899, 393966, 723798, 1729073, 3458146, 5187219, 10374438, 15561657, 31123314]

約数ペア:

[(1, 31123314), (2, 15561657), (3, 10374438), (6, 5187219), (9, 3458146), (18, 1729073), (43, 723798), (79, 393966), (86, 361899), (129, 241266), (158, 196983), (237, 131322), (258, 120633), (387, 80422), (474, 65661), (509, 61146), (711, 43774), (774, 40211), (1018, 30573), (1422, 21887), (1527, 20382), (3054, 10191), (3397, 9162), (4581, 6794)]