221420104

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1894

約数の個数: 64

約数和(自身を含む): 469670400

約数和(自身を除く): 248250296

約数列:

[1, 2, 4, 8, 17, 29, 31, 34, 58, 62, 68, 116, 124, 136, 232, 248, 493, 527, 899, 986, 1054, 1798, 1811, 1972, 2108, 3596, 3622, 3944, 4216, 7192, 7244, 14488, 15283, 30566, 30787, 52519, 56141, 61132, 61574, 105038, 112282, 122264, 123148, 210076, 224564, 246296, 420152, 449128, 892823, 954397, 1628089, 1785646, 1908794, 3256178, 3571292, 3817588, 6512356, 7142584, 7635176, 13024712, 27677513, 55355026, 110710052, 221420104]

約数ペア:

[(1, 221420104), (2, 110710052), (4, 55355026), (8, 27677513), (17, 13024712), (29, 7635176), (31, 7142584), (34, 6512356), (58, 3817588), (62, 3571292), (68, 3256178), (116, 1908794), (124, 1785646), (136, 1628089), (232, 954397), (248, 892823), (493, 449128), (527, 420152), (899, 246296), (986, 224564), (1054, 210076), (1798, 123148), (1811, 122264), (1972, 112282), (2108, 105038), (3596, 61574), (3622, 61132), (3944, 56141), (4216, 52519), (7192, 30787), (7244, 30566), (14488, 15283)]