71240015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 113246208

約数和(自身を除く): 42006193

約数列:

[1, 5, 7, 11, 31, 35, 47, 55, 77, 127, 155, 217, 235, 329, 341, 385, 517, 635, 889, 1085, 1397, 1457, 1645, 1705, 2387, 2585, 3619, 3937, 4445, 5969, 6985, 7285, 9779, 10199, 11935, 16027, 18095, 19685, 27559, 29845, 41783, 43307, 48895, 50995, 65659, 80135, 112189, 137795, 185039, 208915, 216535, 303149, 328295, 459613, 560945, 925195, 1295273, 1515745, 2035429, 2298065, 6476365, 10177145, 14248003, 71240015]

約数ペア:

[(1, 71240015), (5, 14248003), (7, 10177145), (11, 6476365), (31, 2298065), (35, 2035429), (47, 1515745), (55, 1295273), (77, 925195), (127, 560945), (155, 459613), (217, 328295), (235, 303149), (329, 216535), (341, 208915), (385, 185039), (517, 137795), (635, 112189), (889, 80135), (1085, 65659), (1397, 50995), (1457, 48895), (1645, 43307), (1705, 41783), (2387, 29845), (2585, 27559), (3619, 19685), (3937, 18095), (4445, 16027), (5969, 11935), (6985, 10199), (7285, 9779)]