243458856

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{177967}}^1$

素因数の和:177998

約数の個数: 48

約数和(自身を含む): 694075200

約数和(自身を除く): 450616344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 177967, 355934, 533901, 711868, 1067802, 1423736, 1601703, 2135604, 3203406, 3381373, 4271208, 6406812, 6762746, 10144119, 12813624, 13525492, 20288238, 27050984, 30432357, 40576476, 60864714, 81152952, 121729428, 243458856]

約数ペア:

[(1, 243458856), (2, 121729428), (3, 81152952), (4, 60864714), (6, 40576476), (8, 30432357), (9, 27050984), (12, 20288238), (18, 13525492), (19, 12813624), (24, 10144119), (36, 6762746), (38, 6406812), (57, 4271208), (72, 3381373), (76, 3203406), (114, 2135604), (152, 1601703), (171, 1423736), (228, 1067802), (342, 711868), (456, 533901), (684, 355934), (1368, 177967)]