72489445

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5297}}^1$

素因数の和:5349

約数の個数: 32

約数和(自身を含む): 109859328

約数和(自身を除く): 37369883

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1955, 2737, 5297, 13685, 26485, 37079, 90049, 121831, 185395, 450245, 609155, 630343, 852817, 2071127, 3151715, 4264085, 10355635, 14497889, 72489445]

約数ペア:

[(1, 72489445), (5, 14497889), (7, 10355635), (17, 4264085), (23, 3151715), (35, 2071127), (85, 852817), (115, 630343), (119, 609155), (161, 450245), (391, 185395), (595, 121831), (805, 90049), (1955, 37079), (2737, 26485), (5297, 13685)]