81396304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 183648960

約数和(自身を除く): 102252656

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 101, 152, 176, 202, 209, 241, 304, 404, 418, 482, 808, 836, 964, 1111, 1616, 1672, 1919, 1928, 2222, 2651, 3344, 3838, 3856, 4444, 4579, 5302, 7676, 8888, 9158, 10604, 15352, 17776, 18316, 21109, 21208, 24341, 30704, 36632, 42218, 42416, 48682, 50369, 73264, 84436, 97364, 100738, 168872, 194728, 201476, 267751, 337744, 389456, 402952, 462479, 535502, 805904, 924958, 1071004, 1849916, 2142008, 3699832, 4284016, 5087269, 7399664, 10174538, 20349076, 40698152, 81396304]

約数ペア:

[(1, 81396304), (2, 40698152), (4, 20349076), (8, 10174538), (11, 7399664), (16, 5087269), (19, 4284016), (22, 3699832), (38, 2142008), (44, 1849916), (76, 1071004), (88, 924958), (101, 805904), (152, 535502), (176, 462479), (202, 402952), (209, 389456), (241, 337744), (304, 267751), (404, 201476), (418, 194728), (482, 168872), (808, 100738), (836, 97364), (964, 84436), (1111, 73264), (1616, 50369), (1672, 48682), (1919, 42416), (1928, 42218), (2222, 36632), (2651, 30704), (3344, 24341), (3838, 21208), (3856, 21109), (4444, 18316), (4579, 17776), (5302, 15352), (7676, 10604), (8888, 9158)]