25935455

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 15432865

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 85, 91, 119, 221, 245, 455, 479, 595, 637, 833, 1105, 1547, 2395, 3185, 3353, 4165, 6227, 7735, 8143, 10829, 16765, 23471, 31135, 40715, 43589, 54145, 57001, 105859, 117355, 217945, 285005, 305123, 399007, 529295, 741013, 1525615, 1995035, 3705065, 5187091, 25935455]

約数ペア:

[(1, 25935455), (5, 5187091), (7, 3705065), (13, 1995035), (17, 1525615), (35, 741013), (49, 529295), (65, 399007), (85, 305123), (91, 285005), (119, 217945), (221, 117355), (245, 105859), (455, 57001), (479, 54145), (595, 43589), (637, 40715), (833, 31135), (1105, 23471), (1547, 16765), (2395, 10829), (3185, 8143), (3353, 7735), (4165, 6227)]