393290918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 629690880

約数和(自身を除く): 236399962

約数列:

[1, 2, 19, 38, 181, 211, 271, 362, 422, 542, 3439, 4009, 5149, 6878, 8018, 10298, 38191, 49051, 57181, 76382, 98102, 114362, 725629, 931969, 1086439, 1451258, 1863938, 2172878, 10349761, 20699522, 196645459, 393290918]

約数ペア:

[(1, 393290918), (2, 196645459), (19, 20699522), (38, 10349761), (181, 2172878), (211, 1863938), (271, 1451258), (362, 1086439), (422, 931969), (542, 725629), (3439, 114362), (4009, 98102), (5149, 76382), (6878, 57181), (8018, 49051), (10298, 38191)]