398290772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{571}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 774918144

約数和(自身を除く): 376627372

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 191, 332, 382, 571, 764, 913, 1142, 1826, 2101, 2284, 3652, 4202, 6281, 8404, 12562, 15853, 25124, 31706, 47393, 63412, 94786, 109061, 174383, 189572, 218122, 348766, 436244, 521323, 697532, 1042646, 1199671, 2085292, 2399342, 4798684, 9052063, 18104126, 36208252, 99572693, 199145386, 398290772]

約数ペア:

[(1, 398290772), (2, 199145386), (4, 99572693), (11, 36208252), (22, 18104126), (44, 9052063), (83, 4798684), (166, 2399342), (191, 2085292), (332, 1199671), (382, 1042646), (571, 697532), (764, 521323), (913, 436244), (1142, 348766), (1826, 218122), (2101, 189572), (2284, 174383), (3652, 109061), (4202, 94786), (6281, 63412), (8404, 47393), (12562, 31706), (15853, 25124)]