64643605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3133

約数の個数: 32

約数和(自身を含む): 93139200

約数和(自身を除く): 28495595

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 3079, 4199, 15395, 20995, 40027, 52343, 58501, 200135, 261715, 292505, 680459, 760513, 994517, 3402295, 3802565, 4972585, 12928721, 64643605]

約数ペア:

[(1, 64643605), (5, 12928721), (13, 4972585), (17, 3802565), (19, 3402295), (65, 994517), (85, 760513), (95, 680459), (221, 292505), (247, 261715), (323, 200135), (1105, 58501), (1235, 52343), (1615, 40027), (3079, 20995), (4199, 15395)]