221099725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{347}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 343835136

約数和(自身を除く): 122735411

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 331, 347, 385, 1655, 1735, 1925, 2317, 2429, 3641, 3817, 8275, 8675, 11585, 12145, 18205, 19085, 25487, 26719, 57925, 60725, 91025, 95425, 114857, 127435, 133595, 574285, 637175, 667975, 803999, 1263427, 2871425, 4019995, 6317135, 8843989, 20099975, 31585675, 44219945, 221099725]

約数ペア:

[(1, 221099725), (5, 44219945), (7, 31585675), (11, 20099975), (25, 8843989), (35, 6317135), (55, 4019995), (77, 2871425), (175, 1263427), (275, 803999), (331, 667975), (347, 637175), (385, 574285), (1655, 133595), (1735, 127435), (1925, 114857), (2317, 95425), (2429, 91025), (3641, 60725), (3817, 57925), (8275, 26719), (8675, 25487), (11585, 19085), (12145, 18205)]