71009575

素因数分解:

$5^2\times 7^5\times {\mathrm{13}}^2$

素因数の和:71

約数の個数: 54

約数和(自身を含む): 111236184

約数和(自身を除く): 40226609

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 169, 175, 245, 325, 343, 455, 637, 845, 1183, 1225, 1715, 2275, 2401, 3185, 4225, 4459, 5915, 8281, 8575, 12005, 15925, 16807, 22295, 29575, 31213, 41405, 57967, 60025, 84035, 111475, 156065, 207025, 218491, 289835, 405769, 420175, 780325, 1092455, 1449175, 2028845, 2840383, 5462275, 10144225, 14201915, 71009575]

約数ペア:

[(1, 71009575), (5, 14201915), (7, 10144225), (13, 5462275), (25, 2840383), (35, 2028845), (49, 1449175), (65, 1092455), (91, 780325), (169, 420175), (175, 405769), (245, 289835), (325, 218491), (343, 207025), (455, 156065), (637, 111475), (845, 84035), (1183, 60025), (1225, 57967), (1715, 41405), (2275, 31213), (2401, 29575), (3185, 22295), (4225, 16807), (4459, 15925), (5915, 12005), (8281, 8575)]