1221013552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{161339}}^1$

素因数の和:161401

約数の個数: 40

約数和(自身を含む): 2640813120

約数和(自身を除く): 1419799568

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3784, 7568, 161339, 322678, 645356, 1290712, 1774729, 2581424, 3549458, 6937577, 7098916, 13875154, 14197832, 27750308, 28395664, 55500616, 76313347, 111001232, 152626694, 305253388, 610506776, 1221013552]

約数ペア:

[(1, 1221013552), (2, 610506776), (4, 305253388), (8, 152626694), (11, 111001232), (16, 76313347), (22, 55500616), (43, 28395664), (44, 27750308), (86, 14197832), (88, 13875154), (172, 7098916), (176, 6937577), (344, 3549458), (473, 2581424), (688, 1774729), (946, 1290712), (1892, 645356), (3784, 322678), (7568, 161339)]