55781648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 123658752

約数和(自身を除く): 67877104

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 104, 124, 164, 208, 211, 248, 328, 403, 422, 496, 533, 656, 806, 844, 1066, 1271, 1612, 1688, 2132, 2542, 2743, 3224, 3376, 4264, 5084, 5486, 6448, 6541, 8528, 8651, 10168, 10972, 13082, 16523, 17302, 20336, 21944, 26164, 33046, 34604, 43888, 52328, 66092, 69208, 85033, 104656, 112463, 132184, 138416, 170066, 224926, 264368, 268181, 340132, 449852, 536362, 680264, 899704, 1072724, 1360528, 1799408, 2145448, 3486353, 4290896, 6972706, 13945412, 27890824, 55781648]

約数ペア:

[(1, 55781648), (2, 27890824), (4, 13945412), (8, 6972706), (13, 4290896), (16, 3486353), (26, 2145448), (31, 1799408), (41, 1360528), (52, 1072724), (62, 899704), (82, 680264), (104, 536362), (124, 449852), (164, 340132), (208, 268181), (211, 264368), (248, 224926), (328, 170066), (403, 138416), (422, 132184), (496, 112463), (533, 104656), (656, 85033), (806, 69208), (844, 66092), (1066, 52328), (1271, 43888), (1612, 34604), (1688, 33046), (2132, 26164), (2542, 21944), (2743, 20336), (3224, 17302), (3376, 16523), (4264, 13082), (5084, 10972), (5486, 10168), (6448, 8651), (6541, 8528)]