28226528

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 66134880

約数和(自身を除く): 37908352

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 53, 68, 88, 89, 106, 136, 176, 178, 187, 212, 272, 352, 356, 374, 424, 544, 583, 712, 748, 848, 901, 979, 1166, 1424, 1496, 1513, 1696, 1802, 1958, 2332, 2848, 2992, 3026, 3604, 3916, 4664, 4717, 5984, 6052, 7208, 7832, 9328, 9434, 9911, 12104, 14416, 15664, 16643, 18656, 18868, 19822, 24208, 28832, 31328, 33286, 37736, 39644, 48416, 51887, 66572, 75472, 79288, 80189, 103774, 133144, 150944, 158576, 160378, 207548, 266288, 317152, 320756, 415096, 532576, 641512, 830192, 882079, 1283024, 1660384, 1764158, 2566048, 3528316, 7056632, 14113264, 28226528]

約数ペア:

[(1, 28226528), (2, 14113264), (4, 7056632), (8, 3528316), (11, 2566048), (16, 1764158), (17, 1660384), (22, 1283024), (32, 882079), (34, 830192), (44, 641512), (53, 532576), (68, 415096), (88, 320756), (89, 317152), (106, 266288), (136, 207548), (176, 160378), (178, 158576), (187, 150944), (212, 133144), (272, 103774), (352, 80189), (356, 79288), (374, 75472), (424, 66572), (544, 51887), (583, 48416), (712, 39644), (748, 37736), (848, 33286), (901, 31328), (979, 28832), (1166, 24208), (1424, 19822), (1496, 18868), (1513, 18656), (1696, 16643), (1802, 15664), (1958, 14416), (2332, 12104), (2848, 9911), (2992, 9434), (3026, 9328), (3604, 7832), (3916, 7208), (4664, 6052), (4717, 5984)]