76988275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 120381184

約数和(自身を除く): 43392909

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 91, 175, 215, 301, 325, 455, 559, 787, 1075, 1505, 2275, 2795, 3913, 3935, 5509, 7525, 10231, 13975, 19565, 19675, 27545, 33841, 51155, 71617, 97825, 137725, 169205, 236887, 255775, 358085, 439933, 846025, 1184435, 1790425, 2199665, 3079531, 5922175, 10998325, 15397655, 76988275]

約数ペア:

[(1, 76988275), (5, 15397655), (7, 10998325), (13, 5922175), (25, 3079531), (35, 2199665), (43, 1790425), (65, 1184435), (91, 846025), (175, 439933), (215, 358085), (301, 255775), (325, 236887), (455, 169205), (559, 137725), (787, 97825), (1075, 71617), (1505, 51155), (2275, 33841), (2795, 27545), (3913, 19675), (3935, 19565), (5509, 13975), (7525, 10231)]