28987596

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1123

約数の個数: 72

約数和(自身を含む): 81139968

約数和(自身を除く): 52152372

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 781, 852, 1031, 1278, 1562, 2062, 2343, 2556, 3093, 3124, 4124, 4686, 6186, 7029, 9279, 9372, 11341, 12372, 14058, 18558, 22682, 28116, 34023, 37116, 45364, 68046, 73201, 102069, 136092, 146402, 204138, 219603, 292804, 408276, 439206, 658809, 805211, 878412, 1317618, 1610422, 2415633, 2635236, 3220844, 4831266, 7246899, 9662532, 14493798, 28987596]

約数ペア:

[(1, 28987596), (2, 14493798), (3, 9662532), (4, 7246899), (6, 4831266), (9, 3220844), (11, 2635236), (12, 2415633), (18, 1610422), (22, 1317618), (33, 878412), (36, 805211), (44, 658809), (66, 439206), (71, 408276), (99, 292804), (132, 219603), (142, 204138), (198, 146402), (213, 136092), (284, 102069), (396, 73201), (426, 68046), (639, 45364), (781, 37116), (852, 34023), (1031, 28116), (1278, 22682), (1562, 18558), (2062, 14058), (2343, 12372), (2556, 11341), (3093, 9372), (3124, 9279), (4124, 7029), (4686, 6186)]