198983408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{2339}}^1$

素因数の和:2769

約数の個数: 40

約数和(自身を含む): 416379600

約数和(自身を除く): 217396192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 409, 818, 1636, 2339, 3272, 4678, 5317, 6544, 9356, 10634, 18712, 21268, 30407, 37424, 42536, 60814, 85072, 121628, 243256, 486512, 956651, 1913302, 3826604, 7653208, 12436463, 15306416, 24872926, 49745852, 99491704, 198983408]

約数ペア:

[(1, 198983408), (2, 99491704), (4, 49745852), (8, 24872926), (13, 15306416), (16, 12436463), (26, 7653208), (52, 3826604), (104, 1913302), (208, 956651), (409, 486512), (818, 243256), (1636, 121628), (2339, 85072), (3272, 60814), (4678, 42536), (5317, 37424), (6544, 30407), (9356, 21268), (10634, 18712)]