180331216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27967}}^1$

素因数の和:28019

約数の個数: 40

約数和(自身を含む): 388419584

約数和(自身を除く): 208088368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 27967, 55934, 111868, 223736, 363571, 447472, 727142, 866977, 1454284, 1733954, 2908568, 3467908, 5817136, 6935816, 11270701, 13871632, 22541402, 45082804, 90165608, 180331216]

約数ペア:

[(1, 180331216), (2, 90165608), (4, 45082804), (8, 22541402), (13, 13871632), (16, 11270701), (26, 6935816), (31, 5817136), (52, 3467908), (62, 2908568), (104, 1733954), (124, 1454284), (208, 866977), (248, 727142), (403, 447472), (496, 363571), (806, 223736), (1612, 111868), (3224, 55934), (6448, 27967)]