214874401

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 266112000

約数和(自身を除く): 51237599

約数列:

[1, 7, 19, 59, 133, 139, 197, 413, 973, 1121, 1379, 2641, 3743, 7847, 8201, 11623, 18487, 26201, 27383, 57407, 81361, 155819, 191681, 220837, 520277, 1090733, 1545859, 1615597, 3641939, 11309179, 30696343, 214874401]

約数ペア:

[(1, 214874401), (7, 30696343), (19, 11309179), (59, 3641939), (133, 1615597), (139, 1545859), (197, 1090733), (413, 520277), (973, 220837), (1121, 191681), (1379, 155819), (2641, 81361), (3743, 57407), (7847, 27383), (8201, 26201), (11623, 18487)]