438996908

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 889319424

約数和(自身を除く): 450322516

約数列:

[1, 2, 4, 7, 14, 28, 167, 223, 334, 421, 446, 668, 842, 892, 1169, 1561, 1684, 2338, 2947, 3122, 4676, 5894, 6244, 11788, 37241, 70307, 74482, 93883, 140614, 148964, 187766, 260687, 281228, 375532, 492149, 521374, 657181, 984298, 1042748, 1314362, 1968596, 2628724, 15678461, 31356922, 62713844, 109749227, 219498454, 438996908]

約数ペア:

[(1, 438996908), (2, 219498454), (4, 109749227), (7, 62713844), (14, 31356922), (28, 15678461), (167, 2628724), (223, 1968596), (334, 1314362), (421, 1042748), (446, 984298), (668, 657181), (842, 521374), (892, 492149), (1169, 375532), (1561, 281228), (1684, 260687), (2338, 187766), (2947, 148964), (3122, 140614), (4676, 93883), (5894, 74482), (6244, 70307), (11788, 37241)]