131415086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1637}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 222899040

約数和(自身を除く): 91483954

約数列:

[1, 2, 11, 22, 41, 82, 89, 178, 451, 902, 979, 1637, 1958, 3274, 3649, 7298, 18007, 36014, 40139, 67117, 80278, 134234, 145693, 291386, 738287, 1476574, 1602623, 3205246, 5973413, 11946826, 65707543, 131415086]

約数ペア:

[(1, 131415086), (2, 65707543), (11, 11946826), (22, 5973413), (41, 3205246), (82, 1602623), (89, 1476574), (178, 738287), (451, 291386), (902, 145693), (979, 134234), (1637, 80278), (1958, 67117), (3274, 40139), (3649, 36014), (7298, 18007)]