61387898

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 72

約数和(自身を含む): 116827200

約数和(自身を除く): 55439302

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 79, 121, 143, 158, 169, 209, 242, 247, 286, 338, 418, 494, 869, 1027, 1501, 1573, 1738, 1859, 2054, 2299, 2717, 3002, 3146, 3211, 3718, 4598, 5434, 6422, 9559, 11297, 13351, 16511, 19118, 19513, 20449, 22594, 26702, 29887, 33022, 35321, 39026, 40898, 59774, 70642, 124267, 146861, 181621, 214643, 248534, 253669, 293722, 363242, 388531, 429286, 507338, 777062, 1615471, 2361073, 2790359, 3230942, 4722146, 5580718, 30693949, 61387898]

約数ペア:

[(1, 61387898), (2, 30693949), (11, 5580718), (13, 4722146), (19, 3230942), (22, 2790359), (26, 2361073), (38, 1615471), (79, 777062), (121, 507338), (143, 429286), (158, 388531), (169, 363242), (209, 293722), (242, 253669), (247, 248534), (286, 214643), (338, 181621), (418, 146861), (494, 124267), (869, 70642), (1027, 59774), (1501, 40898), (1573, 39026), (1738, 35321), (1859, 33022), (2054, 29887), (2299, 26702), (2717, 22594), (3002, 20449), (3146, 19513), (3211, 19118), (3718, 16511), (4598, 13351), (5434, 11297), (6422, 9559)]