28605798

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 120

約数和(自身を含む): 74888352

約数和(自身を除く): 46282554

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 47, 51, 54, 78, 81, 94, 102, 117, 141, 153, 162, 221, 234, 282, 289, 306, 351, 423, 442, 459, 578, 611, 663, 702, 799, 846, 867, 918, 1053, 1222, 1269, 1326, 1377, 1598, 1734, 1833, 1989, 2106, 2397, 2538, 2601, 2754, 3666, 3757, 3807, 3978, 4794, 5202, 5499, 5967, 7191, 7514, 7614, 7803, 10387, 10998, 11271, 11934, 13583, 14382, 15606, 16497, 17901, 20774, 21573, 22542, 23409, 27166, 31161, 32994, 33813, 35802, 40749, 43146, 46818, 49491, 62322, 64719, 67626, 81498, 93483, 98982, 101439, 122247, 129438, 176579, 186966, 202878, 244494, 280449, 304317, 353158, 366741, 529737, 560898, 608634, 733482, 841347, 1059474, 1100223, 1589211, 1682694, 2200446, 3178422, 4767633, 9535266, 14302899, 28605798]

約数ペア:

[(1, 28605798), (2, 14302899), (3, 9535266), (6, 4767633), (9, 3178422), (13, 2200446), (17, 1682694), (18, 1589211), (26, 1100223), (27, 1059474), (34, 841347), (39, 733482), (47, 608634), (51, 560898), (54, 529737), (78, 366741), (81, 353158), (94, 304317), (102, 280449), (117, 244494), (141, 202878), (153, 186966), (162, 176579), (221, 129438), (234, 122247), (282, 101439), (289, 98982), (306, 93483), (351, 81498), (423, 67626), (442, 64719), (459, 62322), (578, 49491), (611, 46818), (663, 43146), (702, 40749), (799, 35802), (846, 33813), (867, 32994), (918, 31161), (1053, 27166), (1222, 23409), (1269, 22542), (1326, 21573), (1377, 20774), (1598, 17901), (1734, 16497), (1833, 15606), (1989, 14382), (2106, 13583), (2397, 11934), (2538, 11271), (2601, 10998), (2754, 10387), (3666, 7803), (3757, 7614), (3807, 7514), (3978, 7191), (4794, 5967), (5202, 5499)]