1638868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 3798144

約数和(自身を除く): 2159276

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 313, 374, 476, 626, 748, 1252, 1309, 2191, 2618, 3443, 4382, 5236, 5321, 6886, 8764, 10642, 13772, 21284, 24101, 37247, 48202, 58531, 74494, 96404, 117062, 148988, 234124, 409717, 819434, 1638868]

約数ペア:

[(1, 1638868), (2, 819434), (4, 409717), (7, 234124), (11, 148988), (14, 117062), (17, 96404), (22, 74494), (28, 58531), (34, 48202), (44, 37247), (68, 24101), (77, 21284), (119, 13772), (154, 10642), (187, 8764), (238, 6886), (308, 5321), (313, 5236), (374, 4382), (476, 3443), (626, 2618), (748, 2191), (1252, 1309)]