208030801

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 243127296

約数和(自身を除く): 35096495

約数列:

[1, 11, 31, 61, 73, 137, 341, 671, 803, 1507, 1891, 2263, 4247, 4453, 8357, 10001, 20801, 24893, 46717, 48983, 91927, 110011, 138043, 259067, 310031, 610061, 1518473, 2849737, 3410341, 6710671, 18911891, 208030801]

約数ペア:

[(1, 208030801), (11, 18911891), (31, 6710671), (61, 3410341), (73, 2849737), (137, 1518473), (341, 610061), (671, 310031), (803, 259067), (1507, 138043), (1891, 110011), (2263, 91927), (4247, 48983), (4453, 46717), (8357, 24893), (10001, 20801)]