28503072

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 144

約数和(自身を含む): 91361088

約数和(自身を除く): 62858016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 32, 36, 39, 46, 48, 52, 69, 72, 78, 92, 96, 104, 117, 138, 144, 156, 184, 207, 208, 234, 276, 288, 299, 312, 331, 368, 414, 416, 468, 552, 598, 624, 662, 736, 828, 897, 936, 993, 1104, 1196, 1248, 1324, 1656, 1794, 1872, 1986, 2208, 2392, 2648, 2691, 2979, 3312, 3588, 3744, 3972, 4303, 4784, 5296, 5382, 5958, 6624, 7176, 7613, 7944, 8606, 9568, 10592, 10764, 11916, 12909, 14352, 15226, 15888, 17212, 21528, 22839, 23832, 25818, 28704, 30452, 31776, 34424, 38727, 43056, 45678, 47664, 51636, 60904, 68517, 68848, 77454, 86112, 91356, 95328, 98969, 103272, 121808, 137034, 137696, 154908, 182712, 197938, 206544, 243616, 274068, 296907, 309816, 365424, 395876, 413088, 548136, 593814, 619632, 730848, 791752, 890721, 1096272, 1187628, 1239264, 1583504, 1781442, 2192544, 2375256, 3167008, 3562884, 4750512, 7125768, 9501024, 14251536, 28503072]

約数ペア:

[(1, 28503072), (2, 14251536), (3, 9501024), (4, 7125768), (6, 4750512), (8, 3562884), (9, 3167008), (12, 2375256), (13, 2192544), (16, 1781442), (18, 1583504), (23, 1239264), (24, 1187628), (26, 1096272), (32, 890721), (36, 791752), (39, 730848), (46, 619632), (48, 593814), (52, 548136), (69, 413088), (72, 395876), (78, 365424), (92, 309816), (96, 296907), (104, 274068), (117, 243616), (138, 206544), (144, 197938), (156, 182712), (184, 154908), (207, 137696), (208, 137034), (234, 121808), (276, 103272), (288, 98969), (299, 95328), (312, 91356), (331, 86112), (368, 77454), (414, 68848), (416, 68517), (468, 60904), (552, 51636), (598, 47664), (624, 45678), (662, 43056), (736, 38727), (828, 34424), (897, 31776), (936, 30452), (993, 28704), (1104, 25818), (1196, 23832), (1248, 22839), (1324, 21528), (1656, 17212), (1794, 15888), (1872, 15226), (1986, 14352), (2208, 12909), (2392, 11916), (2648, 10764), (2691, 10592), (2979, 9568), (3312, 8606), (3588, 7944), (3744, 7613), (3972, 7176), (4303, 6624), (4784, 5958), (5296, 5382)]