201038515

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^2\times {\mathrm{263}}^1$

素因数の和:348

約数の個数: 36

約数和(自身を含む): 268917264

約数和(自身を除く): 67878749

約数列:

[1, 5, 17, 23, 85, 115, 263, 289, 391, 529, 1315, 1445, 1955, 2645, 4471, 6049, 6647, 8993, 22355, 30245, 33235, 44965, 76007, 102833, 139127, 152881, 380035, 514165, 695635, 764405, 1748161, 2365159, 8740805, 11825795, 40207703, 201038515]

約数ペア:

[(1, 201038515), (5, 40207703), (17, 11825795), (23, 8740805), (85, 2365159), (115, 1748161), (263, 764405), (289, 695635), (391, 514165), (529, 380035), (1315, 152881), (1445, 139127), (1955, 102833), (2645, 76007), (4471, 44965), (6049, 33235), (6647, 30245), (8993, 22355)]