400561668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{855901}}^1$

素因数の和:855924

約数の個数: 36

約数和(自身を含む): 1090419148

約数和(自身を除く): 689857480

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 855901, 1711802, 2567703, 3423604, 5135406, 7703109, 10270812, 11126713, 15406218, 22253426, 30812436, 33380139, 44506852, 66760278, 100140417, 133520556, 200280834, 400561668]

約数ペア:

[(1, 400561668), (2, 200280834), (3, 133520556), (4, 100140417), (6, 66760278), (9, 44506852), (12, 33380139), (13, 30812436), (18, 22253426), (26, 15406218), (36, 11126713), (39, 10270812), (52, 7703109), (78, 5135406), (117, 3423604), (156, 2567703), (234, 1711802), (468, 855901)]