28212112

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 62674560

約数和(自身を除く): 34462448

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 53, 68, 76, 103, 106, 136, 152, 206, 212, 272, 304, 323, 412, 424, 646, 824, 848, 901, 1007, 1292, 1648, 1751, 1802, 1957, 2014, 2584, 3502, 3604, 3914, 4028, 5168, 5459, 7004, 7208, 7828, 8056, 10918, 14008, 14416, 15656, 16112, 17119, 21836, 28016, 31312, 33269, 34238, 43672, 66538, 68476, 87344, 92803, 103721, 133076, 136952, 185606, 207442, 266152, 273904, 371212, 414884, 532304, 742424, 829768, 1484848, 1659536, 1763257, 3526514, 7053028, 14106056, 28212112]

約数ペア:

[(1, 28212112), (2, 14106056), (4, 7053028), (8, 3526514), (16, 1763257), (17, 1659536), (19, 1484848), (34, 829768), (38, 742424), (53, 532304), (68, 414884), (76, 371212), (103, 273904), (106, 266152), (136, 207442), (152, 185606), (206, 136952), (212, 133076), (272, 103721), (304, 92803), (323, 87344), (412, 68476), (424, 66538), (646, 43672), (824, 34238), (848, 33269), (901, 31312), (1007, 28016), (1292, 21836), (1648, 17119), (1751, 16112), (1802, 15656), (1957, 14416), (2014, 14008), (2584, 10918), (3502, 8056), (3604, 7828), (3914, 7208), (4028, 7004), (5168, 5459)]