81134816

素因数分解:

$2^5\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1289}}^1$

素因数の和:1587

約数の個数: 48

約数和(自身を含む): 183345120

約数和(自身を除く): 102210304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 281, 562, 1124, 1289, 1967, 2248, 2578, 3934, 4496, 5156, 7868, 8992, 9023, 10312, 15736, 18046, 20624, 31472, 36092, 41248, 62944, 72184, 144368, 288736, 362209, 724418, 1448836, 2535463, 2897672, 5070926, 5795344, 10141852, 11590688, 20283704, 40567408, 81134816]

約数ペア:

[(1, 81134816), (2, 40567408), (4, 20283704), (7, 11590688), (8, 10141852), (14, 5795344), (16, 5070926), (28, 2897672), (32, 2535463), (56, 1448836), (112, 724418), (224, 362209), (281, 288736), (562, 144368), (1124, 72184), (1289, 62944), (1967, 41248), (2248, 36092), (2578, 31472), (3934, 20624), (4496, 18046), (5156, 15736), (7868, 10312), (8992, 9023)]