389629478

素因数分解:

$2^1\times 7^4\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2050

約数の個数: 40

約数和(自身を含む): 698793480

約数和(自身を除く): 309164002

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 343, 574, 686, 1979, 2009, 2401, 3958, 4018, 4802, 13853, 14063, 27706, 28126, 81139, 96971, 98441, 162278, 193942, 196882, 567973, 678797, 1135946, 1357594, 3975811, 4751579, 7951622, 9503158, 27830677, 55661354, 194814739, 389629478]

約数ペア:

[(1, 389629478), (2, 194814739), (7, 55661354), (14, 27830677), (41, 9503158), (49, 7951622), (82, 4751579), (98, 3975811), (287, 1357594), (343, 1135946), (574, 678797), (686, 567973), (1979, 196882), (2009, 193942), (2401, 162278), (3958, 98441), (4018, 96971), (4802, 81139), (13853, 28126), (14063, 27706)]