81338088

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13721}}^1$

素因数の和:13762

約数の個数: 64

約数和(自身を含む): 230529600

約数和(自身を除く): 149191512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 5928, 13721, 27442, 41163, 54884, 82326, 109768, 164652, 178373, 260699, 329304, 356746, 521398, 535119, 713492, 782097, 1042796, 1070238, 1426984, 1564194, 2085592, 2140476, 3128388, 3389087, 4280952, 6256776, 6778174, 10167261, 13556348, 20334522, 27112696, 40669044, 81338088]

約数ペア:

[(1, 81338088), (2, 40669044), (3, 27112696), (4, 20334522), (6, 13556348), (8, 10167261), (12, 6778174), (13, 6256776), (19, 4280952), (24, 3389087), (26, 3128388), (38, 2140476), (39, 2085592), (52, 1564194), (57, 1426984), (76, 1070238), (78, 1042796), (104, 782097), (114, 713492), (152, 535119), (156, 521398), (228, 356746), (247, 329304), (312, 260699), (456, 178373), (494, 164652), (741, 109768), (988, 82326), (1482, 54884), (1976, 41163), (2964, 27442), (5928, 13721)]