81910728

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{49463}}^1$

素因数の和:49498

約数の個数: 48

約数和(自身を含む): 231491520

約数和(自身を除く): 149580792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 49463, 98926, 148389, 197852, 296778, 395704, 445167, 593556, 890334, 1137649, 1187112, 1780668, 2275298, 3412947, 3561336, 4550596, 6825894, 9101192, 10238841, 13651788, 20477682, 27303576, 40955364, 81910728]

約数ペア:

[(1, 81910728), (2, 40955364), (3, 27303576), (4, 20477682), (6, 13651788), (8, 10238841), (9, 9101192), (12, 6825894), (18, 4550596), (23, 3561336), (24, 3412947), (36, 2275298), (46, 1780668), (69, 1187112), (72, 1137649), (92, 890334), (138, 593556), (184, 445167), (207, 395704), (276, 296778), (414, 197852), (552, 148389), (828, 98926), (1656, 49463)]