636404468

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{13441}}^1$

素因数の和:13560

約数の個数: 48

約数和(自身を含む): 1354953600

約数和(自身を除く): 718549132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 89, 133, 178, 266, 356, 532, 623, 1246, 1691, 2492, 3382, 6764, 11837, 13441, 23674, 26882, 47348, 53764, 94087, 188174, 255379, 376348, 510758, 1021516, 1196249, 1787653, 2392498, 3575306, 4784996, 7150612, 8373743, 16747486, 22728731, 33494972, 45457462, 90914924, 159101117, 318202234, 636404468]

約数ペア:

[(1, 636404468), (2, 318202234), (4, 159101117), (7, 90914924), (14, 45457462), (19, 33494972), (28, 22728731), (38, 16747486), (76, 8373743), (89, 7150612), (133, 4784996), (178, 3575306), (266, 2392498), (356, 1787653), (532, 1196249), (623, 1021516), (1246, 510758), (1691, 376348), (2492, 255379), (3382, 188174), (6764, 94087), (11837, 53764), (13441, 47348), (23674, 26882)]