281728148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{757}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 564261264

約数和(自身を除く): 282533116

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 421, 442, 757, 842, 884, 1514, 1684, 3028, 5473, 7157, 9841, 10946, 12869, 14314, 19682, 21892, 25738, 28628, 39364, 51476, 93041, 167297, 186082, 318697, 334594, 372164, 637394, 669188, 1274788, 4143061, 5417849, 8286122, 10835698, 16572244, 21671396, 70432037, 140864074, 281728148]

約数ペア:

[(1, 281728148), (2, 140864074), (4, 70432037), (13, 21671396), (17, 16572244), (26, 10835698), (34, 8286122), (52, 5417849), (68, 4143061), (221, 1274788), (421, 669188), (442, 637394), (757, 372164), (842, 334594), (884, 318697), (1514, 186082), (1684, 167297), (3028, 93041), (5473, 51476), (7157, 39364), (9841, 28628), (10946, 25738), (12869, 21892), (14314, 19682)]