28401152

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:299

約数の個数: 80

約数和(自身を含む): 64964592

約数和(自身を除く): 36563440

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 251, 256, 272, 416, 442, 502, 512, 544, 832, 884, 1004, 1088, 1664, 1768, 2008, 2176, 3263, 3328, 3536, 4016, 4267, 4352, 6526, 6656, 7072, 8032, 8534, 8704, 13052, 14144, 16064, 17068, 26104, 28288, 32128, 34136, 52208, 55471, 56576, 64256, 68272, 104416, 110942, 113152, 128512, 136544, 208832, 221884, 273088, 417664, 443768, 546176, 835328, 887536, 1092352, 1670656, 1775072, 2184704, 3550144, 7100288, 14200576, 28401152]

約数ペア:

[(1, 28401152), (2, 14200576), (4, 7100288), (8, 3550144), (13, 2184704), (16, 1775072), (17, 1670656), (26, 1092352), (32, 887536), (34, 835328), (52, 546176), (64, 443768), (68, 417664), (104, 273088), (128, 221884), (136, 208832), (208, 136544), (221, 128512), (251, 113152), (256, 110942), (272, 104416), (416, 68272), (442, 64256), (502, 56576), (512, 55471), (544, 52208), (832, 34136), (884, 32128), (1004, 28288), (1088, 26104), (1664, 17068), (1768, 16064), (2008, 14144), (2176, 13052), (3263, 8704), (3328, 8534), (3536, 8032), (4016, 7072), (4267, 6656), (4352, 6526)]