28104492

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{701}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 70997472

約数和(自身を除く): 42892980

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 257, 514, 701, 771, 1028, 1402, 1542, 2103, 2804, 3084, 3341, 4206, 6682, 8412, 9113, 10023, 13364, 18226, 20046, 27339, 36452, 40092, 54678, 109356, 180157, 360314, 540471, 720628, 1080942, 2161884, 2342041, 4684082, 7026123, 9368164, 14052246, 28104492]

約数ペア:

[(1, 28104492), (2, 14052246), (3, 9368164), (4, 7026123), (6, 4684082), (12, 2342041), (13, 2161884), (26, 1080942), (39, 720628), (52, 540471), (78, 360314), (156, 180157), (257, 109356), (514, 54678), (701, 40092), (771, 36452), (1028, 27339), (1402, 20046), (1542, 18226), (2103, 13364), (2804, 10023), (3084, 9113), (3341, 8412), (4206, 6682)]