90915965

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 127733760

約数和(自身を除く): 36817795

約数列:

[1, 5, 7, 35, 79, 131, 251, 395, 553, 655, 917, 1255, 1757, 2765, 4585, 8785, 10349, 19829, 32881, 51745, 72443, 99145, 138803, 164405, 230167, 362215, 694015, 1150835, 2597599, 12987995, 18183193, 90915965]

約数ペア:

[(1, 90915965), (5, 18183193), (7, 12987995), (35, 2597599), (79, 1150835), (131, 694015), (251, 362215), (395, 230167), (553, 164405), (655, 138803), (917, 99145), (1255, 72443), (1757, 51745), (2765, 32881), (4585, 19829), (8785, 10349)]