202131718

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 321926400

約数和(自身を除く): 119794682

約数列:

[1, 2, 31, 53, 62, 106, 137, 274, 449, 898, 1643, 3286, 4247, 7261, 8494, 13919, 14522, 23797, 27838, 47594, 61513, 123026, 225091, 450182, 737707, 1475414, 1906903, 3260189, 3813806, 6520378, 101065859, 202131718]

約数ペア:

[(1, 202131718), (2, 101065859), (31, 6520378), (53, 3813806), (62, 3260189), (106, 1906903), (137, 1475414), (274, 737707), (449, 450182), (898, 225091), (1643, 123026), (3286, 61513), (4247, 47594), (7261, 27838), (8494, 23797), (13919, 14522)]