221154584

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 486388800

約数和(自身を除く): 265234216

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 269, 277, 371, 424, 538, 554, 742, 1076, 1108, 1484, 1883, 1939, 2152, 2216, 2968, 3766, 3878, 7532, 7756, 14257, 14681, 15064, 15512, 28514, 29362, 57028, 58724, 74513, 99799, 102767, 114056, 117448, 149026, 199598, 205534, 298052, 399196, 411068, 521591, 596104, 798392, 822136, 1043182, 2086364, 3949189, 4172728, 7898378, 15796756, 27644323, 31593512, 55288646, 110577292, 221154584]

約数ペア:

[(1, 221154584), (2, 110577292), (4, 55288646), (7, 31593512), (8, 27644323), (14, 15796756), (28, 7898378), (53, 4172728), (56, 3949189), (106, 2086364), (212, 1043182), (269, 822136), (277, 798392), (371, 596104), (424, 521591), (538, 411068), (554, 399196), (742, 298052), (1076, 205534), (1108, 199598), (1484, 149026), (1883, 117448), (1939, 114056), (2152, 102767), (2216, 99799), (2968, 74513), (3766, 58724), (3878, 57028), (7532, 29362), (7756, 28514), (14257, 15512), (14681, 15064)]