209227265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 277603200

約数和(自身を除く): 68375935

約数列:

[1, 5, 13, 65, 67, 107, 335, 449, 535, 871, 1391, 2245, 4355, 5837, 6955, 7169, 29185, 30083, 35845, 48043, 93197, 150415, 240215, 391079, 465985, 624559, 1955395, 3122795, 3218881, 16094405, 41845453, 209227265]

約数ペア:

[(1, 209227265), (5, 41845453), (13, 16094405), (65, 3218881), (67, 3122795), (107, 1955395), (335, 624559), (449, 465985), (535, 391079), (871, 240215), (1391, 150415), (2245, 93197), (4355, 48043), (5837, 35845), (6955, 30083), (7169, 29185)]