5209705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 7142400

約数和(自身を除く): 1932695

約数列:

[1, 5, 19, 29, 31, 61, 95, 145, 155, 305, 551, 589, 899, 1159, 1769, 1891, 2755, 2945, 4495, 5795, 8845, 9455, 17081, 33611, 35929, 54839, 85405, 168055, 179645, 274195, 1041941, 5209705]

約数ペア:

[(1, 5209705), (5, 1041941), (19, 274195), (29, 179645), (31, 168055), (61, 85405), (95, 54839), (145, 35929), (155, 33611), (305, 17081), (551, 9455), (589, 8845), (899, 5795), (1159, 4495), (1769, 2945), (1891, 2755)]