1211755325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 1772446080

約数和(自身を除く): 560690755

約数列:

[1, 5, 11, 17, 25, 55, 79, 85, 187, 193, 275, 289, 395, 425, 869, 935, 965, 1343, 1445, 1975, 2123, 3179, 3281, 4345, 4675, 4825, 6715, 7225, 10615, 14773, 15247, 15895, 16405, 21725, 22831, 33575, 36091, 53075, 55777, 73865, 76235, 79475, 82025, 114155, 167717, 180455, 251141, 259199, 278885, 369325, 381175, 570775, 613547, 838585, 902275, 1255705, 1295995, 1394425, 2851189, 3067735, 4192925, 4406383, 6278525, 6479975, 14255945, 15338675, 22031915, 48470213, 71279725, 110159575, 242351065, 1211755325]

約数ペア:

[(1, 1211755325), (5, 242351065), (11, 110159575), (17, 71279725), (25, 48470213), (55, 22031915), (79, 15338675), (85, 14255945), (187, 6479975), (193, 6278525), (275, 4406383), (289, 4192925), (395, 3067735), (425, 2851189), (869, 1394425), (935, 1295995), (965, 1255705), (1343, 902275), (1445, 838585), (1975, 613547), (2123, 570775), (3179, 381175), (3281, 369325), (4345, 278885), (4675, 259199), (4825, 251141), (6715, 180455), (7225, 167717), (10615, 114155), (14773, 82025), (15247, 79475), (15895, 76235), (16405, 73865), (21725, 55777), (22831, 53075), (33575, 36091)]