71988965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{1601}}^1$

素因数の和:1669

約数の個数: 24

約数和(自身を含む): 95677848

約数和(自身を除く): 23688883

約数列:

[1, 5, 17, 23, 85, 115, 391, 529, 1601, 1955, 2645, 8005, 8993, 27217, 36823, 44965, 136085, 184115, 625991, 846929, 3129955, 4234645, 14397793, 71988965]

約数ペア:

[(1, 71988965), (5, 14397793), (17, 4234645), (23, 3129955), (85, 846929), (115, 625991), (391, 184115), (529, 136085), (1601, 44965), (1955, 36823), (2645, 27217), (8005, 8993)]