28445352

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 84188160

約数和(自身を除く): 55742808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 31, 34, 39, 51, 52, 62, 68, 78, 93, 102, 104, 124, 136, 156, 173, 186, 204, 221, 248, 312, 346, 372, 403, 408, 442, 519, 527, 663, 692, 744, 806, 884, 1038, 1054, 1209, 1326, 1384, 1581, 1612, 1768, 2076, 2108, 2249, 2418, 2652, 2941, 3162, 3224, 4152, 4216, 4498, 4836, 5304, 5363, 5882, 6324, 6747, 6851, 8823, 8996, 9672, 10726, 11764, 12648, 13494, 13702, 16089, 17646, 17992, 20553, 21452, 23528, 26988, 27404, 32178, 35292, 38233, 41106, 42904, 53976, 54808, 64356, 69719, 70584, 76466, 82212, 91171, 114699, 128712, 139438, 152932, 164424, 182342, 209157, 229398, 273513, 278876, 305864, 364684, 418314, 458796, 547026, 557752, 729368, 836628, 917592, 1094052, 1185223, 1673256, 2188104, 2370446, 3555669, 4740892, 7111338, 9481784, 14222676, 28445352]

約数ペア:

[(1, 28445352), (2, 14222676), (3, 9481784), (4, 7111338), (6, 4740892), (8, 3555669), (12, 2370446), (13, 2188104), (17, 1673256), (24, 1185223), (26, 1094052), (31, 917592), (34, 836628), (39, 729368), (51, 557752), (52, 547026), (62, 458796), (68, 418314), (78, 364684), (93, 305864), (102, 278876), (104, 273513), (124, 229398), (136, 209157), (156, 182342), (173, 164424), (186, 152932), (204, 139438), (221, 128712), (248, 114699), (312, 91171), (346, 82212), (372, 76466), (403, 70584), (408, 69719), (442, 64356), (519, 54808), (527, 53976), (663, 42904), (692, 41106), (744, 38233), (806, 35292), (884, 32178), (1038, 27404), (1054, 26988), (1209, 23528), (1326, 21452), (1384, 20553), (1581, 17992), (1612, 17646), (1768, 16089), (2076, 13702), (2108, 13494), (2249, 12648), (2418, 11764), (2652, 10726), (2941, 9672), (3162, 8996), (3224, 8823), (4152, 6851), (4216, 6747), (4498, 6324), (4836, 5882), (5304, 5363)]