28049508

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 73729656

約数和(自身を除く): 45680148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 61, 106, 122, 159, 183, 212, 241, 244, 318, 366, 477, 482, 549, 636, 723, 732, 954, 964, 1098, 1446, 1908, 2169, 2196, 2892, 3233, 4338, 6466, 8676, 9699, 12773, 12932, 14701, 19398, 25546, 29097, 29402, 38319, 38796, 44103, 51092, 58194, 58804, 76638, 88206, 114957, 116388, 132309, 153276, 176412, 229914, 264618, 459828, 529236, 779153, 1558306, 2337459, 3116612, 4674918, 7012377, 9349836, 14024754, 28049508]

約数ペア:

[(1, 28049508), (2, 14024754), (3, 9349836), (4, 7012377), (6, 4674918), (9, 3116612), (12, 2337459), (18, 1558306), (36, 779153), (53, 529236), (61, 459828), (106, 264618), (122, 229914), (159, 176412), (183, 153276), (212, 132309), (241, 116388), (244, 114957), (318, 88206), (366, 76638), (477, 58804), (482, 58194), (549, 51092), (636, 44103), (723, 38796), (732, 38319), (954, 29402), (964, 29097), (1098, 25546), (1446, 19398), (1908, 14701), (2169, 12932), (2196, 12773), (2892, 9699), (3233, 8676), (4338, 6466)]