149727344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1123}}^1$

素因数の和:1785

約数の個数: 40

約数和(自身を含む): 313177872

約数和(自身を除く): 163450528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 641, 1123, 1282, 2246, 2564, 4492, 5128, 8333, 8984, 10256, 14599, 16666, 17968, 29198, 33332, 58396, 66664, 116792, 133328, 233584, 719843, 1439686, 2879372, 5758744, 9357959, 11517488, 18715918, 37431836, 74863672, 149727344]

約数ペア:

[(1, 149727344), (2, 74863672), (4, 37431836), (8, 18715918), (13, 11517488), (16, 9357959), (26, 5758744), (52, 2879372), (104, 1439686), (208, 719843), (641, 233584), (1123, 133328), (1282, 116792), (2246, 66664), (2564, 58396), (4492, 33332), (5128, 29198), (8333, 17968), (8984, 16666), (10256, 14599)]