399275382

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{140689}}^1$

素因数の和:140748

約数の個数: 32

約数和(自身を含む): 891411840

約数和(自身を除く): 492136458

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 140689, 281378, 422067, 844134, 1547579, 3095158, 4642737, 6049627, 9285474, 12099254, 18148881, 36297762, 66545897, 133091794, 199637691, 399275382]

約数ペア:

[(1, 399275382), (2, 199637691), (3, 133091794), (6, 66545897), (11, 36297762), (22, 18148881), (33, 12099254), (43, 9285474), (66, 6049627), (86, 4642737), (129, 3095158), (258, 1547579), (473, 844134), (946, 422067), (1419, 281378), (2838, 140689)]