978826684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{997}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 1910363616

約数和(自身を除く): 931536932

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 421, 583, 842, 997, 1166, 1684, 1994, 2332, 3988, 4631, 9262, 10967, 18524, 21934, 22313, 43868, 44626, 52841, 89252, 105682, 211364, 245443, 419737, 490886, 581251, 839474, 981772, 1162502, 1678948, 2325004, 4617107, 9234214, 18468428, 22246061, 44492122, 88984244, 244706671, 489413342, 978826684]

約数ペア:

[(1, 978826684), (2, 489413342), (4, 244706671), (11, 88984244), (22, 44492122), (44, 22246061), (53, 18468428), (106, 9234214), (212, 4617107), (421, 2325004), (583, 1678948), (842, 1162502), (997, 981772), (1166, 839474), (1684, 581251), (1994, 490886), (2332, 419737), (3988, 245443), (4631, 211364), (9262, 105682), (10967, 89252), (18524, 52841), (21934, 44626), (22313, 43868)]