28571886

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{577}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 73244160

約数和(自身を除く): 44672274

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 131, 189, 262, 378, 393, 577, 786, 917, 1154, 1179, 1731, 1834, 2358, 2751, 3462, 3537, 4039, 5193, 5502, 7074, 8078, 8253, 10386, 12117, 15579, 16506, 24234, 24759, 31158, 36351, 49518, 72702, 75587, 109053, 151174, 218106, 226761, 453522, 529109, 680283, 1058218, 1360566, 1587327, 2040849, 3174654, 4081698, 4761981, 9523962, 14285943, 28571886]

約数ペア:

[(1, 28571886), (2, 14285943), (3, 9523962), (6, 4761981), (7, 4081698), (9, 3174654), (14, 2040849), (18, 1587327), (21, 1360566), (27, 1058218), (42, 680283), (54, 529109), (63, 453522), (126, 226761), (131, 218106), (189, 151174), (262, 109053), (378, 75587), (393, 72702), (577, 49518), (786, 36351), (917, 31158), (1154, 24759), (1179, 24234), (1731, 16506), (1834, 15579), (2358, 12117), (2751, 10386), (3462, 8253), (3537, 8078), (4039, 7074), (5193, 5502)]