81225432

素因数分解:

$2^3\times 3^2\times {\mathrm{199}}^1\times {\mathrm{5669}}^1$

素因数の和:5880

約数の個数: 48

約数和(自身を含む): 221130000

約数和(自身を除く): 139904568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 199, 398, 597, 796, 1194, 1592, 1791, 2388, 3582, 4776, 5669, 7164, 11338, 14328, 17007, 22676, 34014, 45352, 51021, 68028, 102042, 136056, 204084, 408168, 1128131, 2256262, 3384393, 4512524, 6768786, 9025048, 10153179, 13537572, 20306358, 27075144, 40612716, 81225432]

約数ペア:

[(1, 81225432), (2, 40612716), (3, 27075144), (4, 20306358), (6, 13537572), (8, 10153179), (9, 9025048), (12, 6768786), (18, 4512524), (24, 3384393), (36, 2256262), (72, 1128131), (199, 408168), (398, 204084), (597, 136056), (796, 102042), (1194, 68028), (1592, 51021), (1791, 45352), (2388, 34014), (3582, 22676), (4776, 17007), (5669, 14328), (7164, 11338)]