28390332

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 70156800

約数和(自身を除く): 41766468

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 239, 478, 521, 717, 956, 1042, 1434, 1563, 2084, 2868, 3126, 4541, 6252, 9082, 9899, 13623, 18164, 19798, 27246, 29697, 39596, 54492, 59394, 118788, 124519, 249038, 373557, 498076, 747114, 1494228, 2365861, 4731722, 7097583, 9463444, 14195166, 28390332]

約数ペア:

[(1, 28390332), (2, 14195166), (3, 9463444), (4, 7097583), (6, 4731722), (12, 2365861), (19, 1494228), (38, 747114), (57, 498076), (76, 373557), (114, 249038), (228, 124519), (239, 118788), (478, 59394), (521, 54492), (717, 39596), (956, 29697), (1042, 27246), (1434, 19798), (1563, 18164), (2084, 13623), (2868, 9899), (3126, 9082), (4541, 6252)]