989670916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1\times {\mathrm{727}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 1910877696

約数和(自身を除く): 921206780

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 557, 611, 727, 1114, 1222, 1454, 2228, 2444, 2908, 7241, 9451, 14482, 18902, 26179, 28964, 34169, 37804, 52358, 68338, 104716, 136676, 340327, 404939, 444197, 680654, 809878, 888394, 1361308, 1619756, 1776788, 5264207, 10528414, 19032133, 21056828, 38064266, 76128532, 247417729, 494835458, 989670916]

約数ペア:

[(1, 989670916), (2, 494835458), (4, 247417729), (13, 76128532), (26, 38064266), (47, 21056828), (52, 19032133), (94, 10528414), (188, 5264207), (557, 1776788), (611, 1619756), (727, 1361308), (1114, 888394), (1222, 809878), (1454, 680654), (2228, 444197), (2444, 404939), (2908, 340327), (7241, 136676), (9451, 104716), (14482, 68338), (18902, 52358), (26179, 37804), (28964, 34169)]